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People starting with T
2,87,609 profiles.
- Theodore A. HurdAmerican judge
- Theodore A. Jonesbusinessman and government official (1912–2001)
- Theodore A. KiesselbachAmerican scientist (1884–1964)
- Theodore A. Liebler Jr.American screenwriter and theatrical producer (1886-1975)
- Theodore A. MordeAmerican ethnologist (1911–1954)
- Theodore A. Parker IIIAmerican ornithologist (1953–1993)
- Theodore A. PeyserAmerican politician (1873-1937)
- Theodore A. RipleyAmerican general (1835–1866)
- Theodore A. SwitzlerAmerican military officer
- Theodore AaroniosByzantine governor
- Theodore AbrahamsonMember of the Wisconsin State Assembly (1900-1978)
- Theodore Abu-QurrahGreek theologian and bishop
- Theodore Achillewriter
- Theodore Achillesdiplomat (1905-1986)
- Theodore Aclandeducationist (1890-1960)
- Theodore Adrian TinsleyAmerican writer, who primarily wrote mystery stories
- Theodore AgnewNorfolk businessman and politician
- Theodore Ahamefule OrjiNigerian politician
- Theodore Alan FultonAmerican physicist
- Theodore Albrechtmusic historian
- Theodore Alexander WeberGerman painter (1838-1907)
- Theodore Alfonso BancroftAmerican statistician (1907-1986)
- Theodore AllenAmerican gambler, political organizer, saloon keeper, head of criminal family
- Theodore Alois BuckleyEnglish classicist and translator (1825–1856)
- Theodore Alwin Wasonin aiml from Panimalar Engineering College
- Theodore AlyatesByzantine general
- Theodore Andersoncricketer (1878-1926)
- Theodore Anderson BaldwinUnited States general (1839–1925)
- Theodore Andrea CookBritish writer (1867–1928)
- Theodore AndresenGerman-American architect, Chicago
- Theodore Angelos
- Theodore Angelossebastokrator
- Theodore AnnemannAmerican professional magician (1907-1942)
- Theodore Anthony Perry
- Theodore AplinAustralian botanist
- Theodore ApplebyAmerican painter (1923–1985)
- Theodore ApsevdisGreek painter
- Theodore ArabatzisProfessor of History and Philosophy of Science at the University of Athens
- Theodore ArandaBelizean politician
- Theodore ArglesAustralian journalist
- Theodore Arlington BellAmerican politician (1872-1922)
- Theodore Arthur BurrowsCanadian politician (1857–1929)
- Theodore Asare OwusuGhanaian ambassador
- Theodore Ashmead LangstrothUnited States industrial chemist, historian and scrapbook compiler (1910–1978)
- Theodore Atkinson1697-1779 , chief justice of New Hampshire
- Theodore Augustine MannEnglish naturalist, historian, and Carthusian monk (1735-1809)
- Theodore Augustus MillsAmerican sculptor (1839–1916)
- Theodore Austin-SparksBritish Christian evangelist/author (1888–1971)
- Theodore AylwardBritish musician (1844–1933)
- Theodore Aylward, Sr.British musician
- Theodore Ayrault DodgeUnion United States Army officer (1842–1909)
- Theodore B. Basselinbusinessperson (1851–1914)
- Theodore B. ComstockAmerican geologist (1849-1915)
- Theodore B. FernaldLinguist, Navajo language specialist
- Theodore B. LewisConfederate Army soldier (1843–1899)
- Theodore B. LymanAmerican bishop (1815–1893)
- Theodore B. MitchellAmerican entomologist (1890 – 1983)
- Theodore B. OlsonAmerican newspaperman and writer
- Theodore B. SachsRussian-American physician (1868–1916)
- Theodore B. Tumusician
- Theodore B. WellsAmerican architect
- Theodore B. WernerAmerican congressman for South Dakota (1892-1989)
- Theodore B. Willson
- Theodore BabcockAmerican actor
- Theodore BachenheimerAmerican soldier (1923–1944)
- Theodore BairdAmerican college professor of English
- Theodore BakerAmerican musicologist (1851-1934)
- Theodore Ballinaottoman Bulgarian nobleman
- Theodore BalsamonByzantine legal scholar and Greek-Orthodox patriarch of Antioch
- Theodore Bar Konai8th century Syriac Christian exegete and apologist
- Theodore BarberAmerican psychologist (1927-2005)
- Theodore Barcroft L. MoonemalleLawyer
- Theodore Barkercomposer
- Theodore Barkhausendeaconess
- Theodore Basil AnukaGhanaian politician
- Theodore BaskinAmerican musician
- Theodore BathurstEnglish poet and translator who wrote in Latin
- Theodore BauerAmerican sculptor
- Theodore Bauerbobsledder
- Theodore BauerAmerican theater manager and publicist
- Theodore Bayard Fletcher CoppAmerican author
- Theodore Bayard RomeynAmerican clergyman
- Theodore BayerAmerican spy for the Soviet Union
- Theodore BeauchaineAmerican psychologist
- Theodore BeckBritish academic (1859-1899)
- Theodore BeggsAustralian pastoralist and sheep breeder (1859-1940)
- Theodore Bellrower
- Theodore Bendix25 July 1862 — 22 January 1935
- Theodore BenfeyAmerican politician (1871–1935)
- Theodore BerlinAmerican politician (1938-1987)
- Theodore BestermanPolish-English bibliographer and editor of Voltaire (1904-1976)
- Theodore BezaFrench Reformed Protestant theologian, reformer and scholar (1519-1605)
- Theodore BibbAmerican Jazz Drummer
- Theodore BiblianderSwiss orientalist and linguist
- Theodore BikelAustrian-American actor, folk singer, musician, composer, unionist and political activist (1924-2015
- Theodore BirkbeckBritish Army general
- Theodore BirkettBarbadian cricketer
- Theodore BissellAmerican politician
- Theodore Blake WirgmanEnglish painter and etcher who moved to London (1848-1925)
- Theodore BlocBishop of Sodor and Man
- Theodore BloomfieldAmerican conductor (1923-1998)
- Theodore BoborolFilipino film and television director
- Theodore BodenweinGerman-American newspaper publisher and politician
- Theodore BodraIndian politician
- Theodore BogdanovitchRecipient of the Empire Gallantry Medal
- Theodore Boltonborn Columbia, SC 1889-died Miami, FL 1973 (1889–1973)
- Theodore BonnetAmerican writer
- Theodore BoronovskisLatvian judoka who competed for Australia
- Theodore Boulardpainter, musician
- Theodore BoyettAmerican football coach (1912–1987)
- Theodore BrameldAmerican philosopher
- Theodore BranasByzantine general
- Theodore BrandleySwiss Mormon missionary (1851-1928)
- Theodore Braybrooke PanabokkeSri Lankan politician (1909–1989)
- Theodore Brensonpainter and engraver (1893–1959)
- Theodore BrentAmerican businessman (1874–1953)
- Theodore BrentanoAmbassador of the United States to Hungary (1854–1940)
- Theodore BrubackAmerican industrialist (1851–1904)
- Theodore BruceAustralian politician (1847-1911)
- Theodore Bruce Auctioneers
- Theodore Bruce YerkeScience-fiction fanzine publisher, editor and contributor
- Theodore BruneGerman-American architect
- Theodore BuaAlbanian captain of stradioti regiments of the Republic of Venice
- Theodore BugasAmerican politician
- Theodore BurczakAmerican economist and academic
- Theodore BurrAmerican inventor and civil engineer (1771–1822/1824)
- Theodore C Piersonresearcher ORCID ID = 0000-0002-3795-4348
- Theodore C. AlmquistUnited States Air Force general
- Theodore C. BestorProfessor of Anthropology and Japanese Studies at Harvard University (1951-2021)
- Theodore C. BlegenAmerican historian (1891-1969)
- Theodore C. DelaplaneAmerican politician (died 1900)
- Theodore C. DiersAmerican actor, politician, and writer
- Theodore C. FroemmingAmerican politician (1873-1929)
- Theodore C. LysterUnited States general
- Theodore C. MainoAmerican diplomat
- Theodore C. MarceauAmerican photographer (1859-1922)
- Theodore C. Petersenpriest, scientist
- Theodore C. PilcherMember of the Senate of Virginia
- Theodore C. SearchAmerican businessman (1841–1920)
- Theodore C. Speliotispolitician in Massachusetts, US
- Theodore CableIndianapolis politician
- Theodore Caldwell JanewayUnited States physician (1872–1917)
- Theodore Calvin PeaseAmerican historian of the American West and scholar of archives
- Theodore CaplowAmerican engineer
- Theodore Caplowsociologist, economist
- Theodore CarlsonAmerican judge (1938–2011)
- Theodore CarpenterAmerican trumpeter and jazz musician (1898–1975)
- Theodore CarrBritish politician (1866-1931)
- Theodore Carstensfencer (1879-1955)
- Theodore Casati
- Theodore ChanlerAmerican composer (1902–1961)
- Theodore Charles Ferdinand Brotchie1876-1937 art gallery superintendent
- Theodore Charles Frederick Abel(1869-1948) German American physician
- Theodore Charles HilgardAmerican physician and botanist (1828–1875)
- Theodore Chickering WilliamsAmerican hymnwriter (1855-1915)
- Theodore Childjournalist, art critic
- Theodore Christian Ernest Laugesentrooper
- Theodore Christian Fryebotanist (1869-1962)
- Theodore ChristiansonAmerican politician (1883-1948)
- Theodore ChristiansonAmerican judge (1913-1955)
- Theodore ChristmanAmerican composer
- Theodore ChurtonBritish priest (1853–1915)
- Theodore ClappAmerican minister
- Theodore ClarkeBarbadian cricketer
- Theodore Clarke SmithAmerican professor (1870–1960)
- Theodore Clausonbotanist (1817-1860)
- Theodore Clement SteeleAmerican artist (1847-1926)
- Theodore Cleveland Roughley(1888-1961) zoologist and author
- Theodore CohenPittsburgh professor and chemist
- Theodore Cohen
- Theodore CohenAmerican exhibition designer
- Theodore ColeAmerican bank robber
- Theodore ComptonEnglish businessman and biographer
- Theodore ConkeyAmerican politician
- Theodore ConoverAmerican baseball player (1868–1910)
- Theodore ConradAmerican architect (1910–1994)
- Theodore ConradAmerican bank teller who stole $215,000 (equivalent to $1.72 million in 2022) in cash from the vault
- Theodore Conrad Blomgren(1874-1953) American politician
- Theodore Conrad YeagerMayor of Allentown Pennsylvania
- Theodore Conradesrower
- Theodore ConrathAmerican painter and sculptor
- Theodore ConstantineBritish entrepreneur (1910-2004)
- Theodore Conyngham Kingsmill MooreIrish judge, politician and author (1893–1979)
- Theodore Cookebotanist (1836-1910)
- Theodore Cooke TaylorBritish politician (1850-1952)
- Theodore CooperAmerican civil engineer (1839-1919)
- Theodore CooperAmerican physician and Deputy Assistant Secretary of the Department of Health (1928-1993)
- Theodore CoresiRomanian opera singer
- Theodore Cotillo BarbarossaAmerican artist (1906–1992)
- Theodore CraverAmerican businessperson, retired Chairman, President and CEO, Edison International
- Theodore Cressy SkeatBritish librarian (1907–2003)
- Theodore CrileyAmerican painter
- Theodore CrossAmerican photographer, lawyer and activist (1924–2010)
- Theodore CsanádHungarian noble
- Theodore CurpheyAmerican coroner (1897–1986)
- Theodore CurtisAmerican politician
- Theodore Cyrus KarpAmerican musicologist (1926–2015)
- Theodore CzebotarAmerican artist
- Theodore DAD3DA in Accessory Fitter from Technological Institute of the Philippines, Athens
- Theodore D. ChuangUnited States District Judge
- Theodore D. DayAmerican politician in New York (1917-2003)
- Theodore D. KemperAmerican sociologist
- Theodore D. MannAmerican politician (1922–1994)
- Theodore D. MartinAmerican Army general
- Theodore D. McCownAmerican archaeologist, prehistorian, anthropologist and paleoanthropologist (1908–1969)
- Theodore D. ParsonsNew Jersey Attorneys General
- Theodore D. SaarAmerican politician
- Theodore D. WilsonAmerican naval architect (1840–1896)
- Theodore DakpoganBeninese artist
- Theodore DalassenosDalassenos
- Theodore DalhoffCatholic priest, Catholic bishop
- Theodore Dalrymplecultural critic and author
- Theodore DammannPolitician; Secretary of State of Wisconsin
- Theodore DaphnopatesByzantine writer and orator
- Theodore DasiotesByzantine nobleman
- Theodore David WallaceIrish barrister and colonial administrator (1906–1952)
- Theodore DavieCanadian politician (1852–1898)
- Theodore DavisCanadian politician
- Theodore Davis BoalAmerican architect and officer (1867-1938)
- Theodore de LagunaAmerican philosopher at Bryn Mawr College and was known as an early feminist (1876-1930)
- Theodore de LemosGerman-American architect
- Theodore de Postels1873-1960
- Theodore de RenesseBelgian politician (1854-1927)
- Theodore de Smeth van DeurneDutch politician (1919–1988)
- Theodore Deanpolitician in Massachusetts, US (1809-1885)
- Theodore DebsAmerican politician
- Theodore DehonAmerican bishop
- Theodore Dehon Jervey
- Theodore Delchev Dimitrovinternational civil servant, librarian
- Theodore DelevoryasAmerican paleobotanist (1929-2017)
- Theodore Delves BroughtonBritish general
- Theodore Dentzdentist
- Theodore DespinsBBA.LLB in Criminal Law from Denning College for Teachers Education, London
- Theodore DeWeeseAmerican radiation oncologist and academic administrator
- Theodore DieckmannAmerican politician and businessman
- Theodore DikandaSwedish amateur wrestler
- Theodore DiodatiDiodati, Theodore (1573–1651), physician
- Theodore DollarhideAmerican composer, conductor and music educator. (1948–2014)
- Theodore Doughty Millerbaptist Preacher
- Theodore Douglas LindMalaysian politician
- Theodore Douglas RobinsonAmerican politician (1883–1934)
- Theodore DoxfordBritish politician (1841–1916)
- Theodore DrakeCanadian pediatrician (1891–1959)
- Theodore DrangeAmerican philosopher
- Theodore DraperAmerican journalist and political writer (1912-2006)
- Theodore DreiserAmerican novelist and journalist (1871–1945)
- Theodore Dru Alison CockerellU.S. entomologist, botanist and zoologist (1866–1948)
- Theodore DuBose BrattonAmerican bishop
- Theodore DukaHungarian-born soldier and physician (1825–1908)
- Theodore Duncan PereraCeylonese civil servant (1895-1976)
- Theodore Dunham Jr.American astronomer
- Theodore DurrantAmerican murderer
- Theodore DuryEnglish county cricketer (1854-1932)
- Theodore DwightAmerican politician (1764-1846)
- Theodore DwightAmerican author (1796-1866)
- Theodore Dwight WeldAmerican abolitionist (1803–1895)
- Theodore Dwight WoolseyAmerican jurist; president of Yale University (1801–1889)
- Theodore Dyke AclandEnglish military physician (1851–1931)
- Theodore E. BurtonAmerican politician (1851–1929)
- Theodore E. ChandlerUnited States Navy admiral
- Theodore E. Cummingsaustrian-born American diplomat
- Theodore E. FerrisAmerican naval architect and engineer
- Theodore E. GildredAmerican businessman and diplomat
- Theodore E. HancockAmerican lawyer (1847–1916)
- Theodore E. LongAmerican college president
- Theodore E. MadeyAmerican physicist (1937-2008)
- Theodore E. MargesonCanadian judge
- Theodore E. Nijmaneconomist (Universiteit van Tilburg)
- Theodore E. PeiserAmerican Photographer (1853–1922)
- Theodore E. PineAmerican artist (1828–1905)
- Theodore E. RussellAmbassador of the United States
- Theodore E. SteinwayAmerican businessman (1883–1957); member of the Collectors Club of New York and Board of Trustees of
- Theodore E. WhiteAmerican paleontologist (1905–1977)
- Theodore Earl ButlerAmerican painter (1861-1936)
- Theodore Edgar McCarrickAmerican cardinal (1930–2025)
- Theodore Edward CantorDanish zoologist (1809-1860)
- Theodore Edward ConeysAmerican murderer (1882-1967)
- Theodore Edward DowlingBritish historian and priest (1837–1921)
- Theodore Edward Dudley KellyBritish military personnel
- Theodore EisenAmerican architect (1852-1924)
- Theodore EisfeldGerman-American conductor and composer (1816-1882)
- Theodore EitelAmerican photographer
- Theodore Emanuel SchmaukAmerican theologian and historian
- Theodore Emmanuel SerrarisDutch politician (1875-1946)
- Theodore EngelAmerican plumber, contractor, politician
- Theodore EngelmannGerman American author, journalist and publisher (1808–1889)
- Theodore EnslinAmerican poet (1925–2011)
- Theodore EppAmerican evangelist (1907–1985)
- Theodore Eustace, Count Palatine of SulzbachCount Palatine of Sulzbach from 1708 until 1732
- Theodore EvansDRM in Anaesthesia Technician from HAVE, New York
- Theodore EvergatesAmerican historian
- Theodore F. AdamsAmerican cleric
- Theodore F. AllenAmerican Civil War officer and author
- Theodore F. BaggeAmerican politician
- Theodore F. BrophyAmerican businessman and telecommunications professional
- Theodore F. ChamberlainCanadian physician and politician (1838–1927)
- Theodore F. Davidsonlawyer and politician of Asheville, North Carolina
- Theodore F. GreenAmerican politician (1867-1966)
- Theodore F. KaneAmerican Navy officer
- Theodore F. KluttzAmerican politician (1848-1918)
- Theodore F. MacManusAmerican businessman and philanthropist
- Theodore F. MorseAmerican musician (1873–1924)
- Theodore F. Niehausbotanist
- Theodore F. ShueyUnited States Senate reporter
- Theodore F. Twardzikentrepreneur
- Theodore FarwellAmerican rower
- Theodore Fawcettpolitician (1832–1898)
- Theodore Felix Albert DelpratDutch photographer (1851–1932)
- Theodore Felix von La HacheAmerican composer
- Theodore FeuchtGerman painter (1867-1944)
- Theodore FieldsAmerican sheriff
- Theodore FinkAustralian politician (1855-1942)
- Theodore Fischbachermissionary
- Theodore Fitz RandolphAmerican politician (1826-1883)
- Theodore Flavel Cookartist
- Theodore FoleyRoman Catholic priest (1913–1974)
- Theodore Fontaineindigenous author, residential school survivor, and public speaker
- Theodore Forbes LeithScottish physician; (1746-1819)
- Theodore FordBritish lawyer, judge; Chief Justice of the Straits Settlemens
- Theodore Fortescue FoxBritish physician and medical editor
- Theodore FosterAmerican politician (1752-1828)
- Theodore Fowlercricketer (1879-1915)
- Theodore Francis Van WagenenU.S. mining engineer
- Theodore Frank ApplebyUnited States Congressman from New Jersey (1864-1924)
- Theodore FrankelAmerican mathematician (1929-2017)
- Theodore FraserBritish general (1865–1953)
- Theodore Fred AbelPolish-American sociologist (1896–1988)
- Theodore Frederic FairhurstCanadian businessman and mountain climber
- Theodore Frederic MoltGerman music teacher, composer and organist in Canada
- Theodore Frederick Hussaartist 1909-1939
- Theodore FreemanAmerican astronaut (1930-1964)
- Theodore Frelinghuysen(1860-1928) American clubman and socialite
- Theodore Frelinghuysen(1787-1862) American politician
- Theodore Frelinghuysen DwightAmerican librarian, archivist, and diplomat (1846-1917)
- Theodore Frelinghuysen JewellUnited States United States Navy admiral (1844–1932)
- Theodore Frelinghuysen SewardAmerican musician (1835–1902)
- Theodore Frelinghuysen SingiserAmerican politician (1845-1907)
- Theodore Freylinghuysen Collierhistorian
- Theodore FriedHungarian artist (1902–1980)
- Theodore Friederick UlrichAustralian officer (1888-1963)
- Theodore FriedmanAmerican Conservative rabbi
- Theodore Friedmannscientist
- Theodore FriendAmerican historian and writer (1931-2020)
- Theodore FrisonAmerican entomologist
- Theodore FritzAmerican politician
- Theodore FrostAmerican rower
- Theodore FryBritish politician (1836–1912)
- Theodore Fryegospel composer and singer
- Theodore FyfeScottish architect, active in London and Chester
- Theodore G. Andreadismycologist
- Theodore G. BilboAmerican politician (1877-1947)
- Theodore G. ChernozubovRussian general (1863-1919)
- Theodore G. CroftAmerican politician (1874-1920)
- Theodore G. GarfieldAmerican judge (1894-1989)
- Theodore G. Jenes, Jr.American Army general
- Theodore G. LewisAmerican judge (1890-1934)
- Theodore G. StreissguthAmerican politician – Minnesota -- "T." Senate 1891-94 (District 18)
- Theodore G. StroupAmerican Army engineer and general
- Theodore G. WinkjerAmerican politician – Minnesota -- "Theo. G." Senate 1939-42 (District 47)
- Theodore Gabras11th-century Byzantine military leader and martyr
- Theodore Gaillard BarkerMajor in the Confederate States Army
- Theodore Gaillard HuntAmerican congressman for Louisiana (1805-1893)
- Theodore Gaillard ThomasAmerican gynaecologist (1831–1903)
- Theodore GalanteAmerican architect (born 1963)
- Theodore GamelinAmerican mathematician
- Theodore GarbadeBanker and President of the Union of Manufacturers of Cigars of Cuba
- Theodore GardelleGenevan artist (1722-1761)
- Theodore Garland, Jr.American biologist
- Theodore GarmanEnglish painter of the mid-20th century (1924–1954)
- Theodore GassFlorida state legislator
- Theodore GegouxCanadian artist
- Theodore Gentilz-1906 or d. 1906
- Theodore GeorgeAmerican philosopher
- Theodore George Bentley OsbornBritish born Australian botanist (1887-1973)
- Theodore George Dentz van Schaickprosecutor
- Theodore George WormleyAmerican toxicologist and legal physician
- Theodore Gervase Chambers
- Theodore Ghisipainter
- Theodore GibsonAnglican bishop (1885–1953)
- Theodore GilmanAmerican banker and reform advocate
- Theodore GleimCanadian politician
- Theodore Goddardsolicitor (1878–1952)
- Theodore Godfrey Wijesinghe JayewardeneSri Lankan politician
- Theodore Goldsmith JoslinAmerican politician (1890–1944)
- Theodore Goodridge RobertsCanadian writer (1877–1953)
- Theodore Goodson, IIIAmerican chemist
- Theodore GordonAmerican fisherman and writer (1854–1915)
- Theodore Gordonfuturist
- Theodore GordonScottish inspector of army hospitals
- Theodore Gordon EllysonUnited States naval aviator (1885–1928)
- Theodore GoulstonEnglish doctor
- Theodore GourdinAmerican politician (1764-1826)
- Theodore Graebner(1876-1950)
- Theodore Grant GrayPsychiatrist, mental health administrator (1884–1964)
- Theodore GrayAmerican science writer
- Theodore Greely WhiteAmerican botanist (1872–1901)
- Theodore Greenrace horse trainer (1925–1999)
- Theodore Gregoryeconomist (1890-1970)
- Theodore Gronertteacher
- Theodore GrossAmerican gymnast (1880-1951)
- Theodore Groveseconomist (University of California-San Diego (UCSD))
- Theodore H. BarrettUnion Army general (1834–1900)
- Theodore H. BerlinAmerican physicist
- Theodore H. BlauAmerican psychologist (1928–2003)
- Theodore H. Eaton Jr.entomologist
- Theodore H. GeballeAmerican physicist (1920-2021)
- Theodore H. HittellAmerican historian and writer (1830–1917)
- Theodore H. KattoufAmerican diplomat
- Theodore H. KelloggAmerican psychiatrist (1841–1931)
- Theodore H. McCreasuffragan bishop
- Theodore H. OkiishiAmerican engineer
- Theodore H. RowellAmerican mayor and businessman (1905-1979)
- Theodore H. SavouryEnglish arachnologist, teacher and linguist
- Theodore H. Schwartzneurosurgeon
- Theodore H. WhiteAmerican historian and author (1915–1986)
- Theodore H. Winters Jr.navy captain
- Theodore HaakGerman scholar (1605-1690)
- Theodore HackMayor of Port Adelaide (1873-1880)
- Theodore HagenAmerican journalist (1823-1871)
- Theodore HallAmerican physicist (1925–1999)
- Theodore HallettRoyal Navy admiral (1878-1956)
- Theodore HambergSwedish missionary (1819–1854)
- Theodore HammGerman-American brewer
- Theodore HammAmerican writer and magazine editor
- Theodore HancockAmerican artist (1924-1989)
- Theodore Hantkecricketer (1875-1931)
- Theodore HardeenHungarian-American magician (1876–1945)
- Theodore HardenAustralian politician
- Theodore Harding RandCanadian educator, civil servant, and poet (1835–1900)
- Theodore Hardyrecipient of the Victoria Cross (1863–1918)
- Theodore HarrisonChoral conductor (1876–1965)
- Theodore HartCanadian businessman (1816–1887)
- Theodore Hartridge WillardAmerican politician
- Theodore Hatchermathematician
- Theodore HaultainNew Zealand politician (1817-1902)
- Theodore HauptModernist painter
- Theodore HavemeyerAmerican businessman, first president of the U.S. Golf Association, and co-founder of the Newport Co
- Theodore HaverDutch feminist and editor (1856-1912)
- Theodore Havermeyer NorthrupAmerican composer (1866–1919)
- Theodore HeckAmerican Catholic priest
- Theodore HeidrichAmerican politician (1930-2010)
- Theodore Henley JackAmerican college president (1881–1964)
- Theodore Henry Adolphus FieldingBritish artist (1781-1851)
- Theodore Henry BroadheadBritish politician (1767-1820)
- Theodore Henry RobinsonBritish orientalist and author, 1881-1964
- Theodore Henry ShackelfordAmerican poet
- Theodore Herman JewettAmerican physician (1815–1878)
- Theodore Herman Wolf(1889-1963)
- Theodore Hermann Von LaueAmerican historian
- Theodore HesburghAmerican theologian and university president (1917–2015)
- Theodore HetzlerAmerican banker
- Theodore HeuckGerman–Hawaiian architect and painter (1830-1877)
- Theodore Heyvaertpolitician, magistrate
- Theodore HillAustralian politician
- Theodore HinesBritish painter (1860–1889)
- Theodore HinsdaleAmerican politician
- Theodore Hoe Mead
- Theodore Holdheim2 Dec 1923 - 2 Feb 1985
- Theodore HollandBritish composer (1878–1947)
- Theodore Holmes BullockAmerican neuroscientist (1915–2005)
- Theodore HolsteinUS theoretical physicist (1915–1985)
- Theodore HoltebeckAmerican politician and businessman (1883-1963)
- Theodore HookBritish writer (1788-1841)
- Theodore HopeBritish-born civil servant in the government of India
- Theodore HopeAmerican lawyer (1903–1998)
- Theodore HoskinsAmerican politician
- Theodore Hosmermayor of Tacoma, Washington
- Theodore HoughAmerican physiologist (1865 – 1924)
- Theodore Howard GaltonEnglish barrister (1820-1881)
- Theodore Howard McCalebUnited States federal judge (1810-1864)
- Theodore HoyleEnglish county cricketer (1884-1953)
- Theodore Hsi-en Chenuniversity teacher
- Theodore Hsueh-Huang PianAmerican engineer (1919–2009)
- Theodore HubbackEnglish cricketer and conservationist. (1872-1942)
- Theodore HuckleBritish lawyer
- Theodore Huntington HubbellAmerican entomologist (1897-1989)
- Theodore Hutson Benedictpolitician
- Theodore HyattRecipient of the Medal of Honor (1830–1900)
- Theodore IMarquess of Montferrat (1306-1338)
- Theodore Ipope
- Theodore I CalliopasExarch of Ravenna
- Theodore I Laskaris13th-century emperor of Nicaea
- Theodore I of Antioch
- Theodore I of Armenia
- Theodore I of ConstantinoplePatriarch of Constantinople
- Theodore I of NaplesDuke of Naples
- Theodore I RechtouniChristian minister
- Theodore I. FryMichigan politician (1881-1962)
- Theodore I. KoskoffAmerican lawyer
- Theodore I. Reesebishop of the Episcopal Diocese of Southern Ohio (1873–1931)
- Theodore I. SpauldingAmerican politician
- Theodore IIpope (840-897)
- Theodore IIBishop of Rostov
- Theodore IIExarch of Ravenna
- Theodore II LaskarisEmperor of Nicaea from 1254 to 1258
- Theodore II of Alexandriapatriarch of Alexandria
- Theodore II of Antiochtenth-century Patriarch of Antioch
- Theodore II of ConstantinopleByzantine politician and monk
- Theodore II of Georgia12th century head of Georgian Orthodox Church
- Theodore II, Marquess of MontferratItalian noble