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People starting with J
6,12,553 profiles.
- James NishidaJapanese musician
- James Nittiesprofessional golfer
- James Nivenbotanist (1774-1826)
- James NivenBritish doctor (1851-1925)
- James NixonEnglish rugby league footballer
- James NixonAmerican football player
- James NixonBritish painter (1741–1812)
- James Nixon Crosstobacconist and schoolteacher (1813-1871)
- James NjiruKenyan politician
- James NkambuleSouth African politician (1973 - 2010)
- James Nkamwesiga KasigwaUgandan electrical engineer
- James NketsiahBsc Chemistry in Analytical Chemistry from Kwame Nkrumah University of Science a, Accra
- James NnajiNigerian basketball player (born 2004)
- James NoahAmerican actor
- James Noah Ratliffin Mechanical Engineering from Keyser high school, Ontario
- James Nobel LandisAmerican power engineer (1899–1989)
- James NobleAmerican politician from Indiana (1785-1831)
- James Noblepaleontologist, geologist
- James NobleAmerican actor (1922-2016)
- James Noble(1876-1941) Aboriginal clergyman
- James Nobleprofessor at Victoria University of Wellington, New Zealand
- James NobleBritish Royal Navy officer, Vice-Admiral of the White in 1846
- James NobleAmerican football player
- James Noble TynerAmerican politician (1826–1904)
- James NoelBritish basketball player and academic
- James Noel AdamsAustralian classical philologist
- James Noel ScovilCanadian illustrator
- James Noel TetleyBritish soldier (1898–1971)
- James Noel ThomsonBritish Indian Army general
- James Noe͏̈lHaitian poet and actor
- James NokesEnglish comic actor
- James NolanAmerican actor (1915-1985)
- James NolanAmerican politician
- James NolanEnglish footballer (born 2005)
- James NolanIrish criminal whose brother confessed to killing him
- James NolanIrish middle-distance runner
- James NolanAmerican writer
- James Nolan, Jr.American television personality
- James Nomanepolitician
- James NomarhasParalympic shooter of Australia
- James NoothBritish surgeon
- James NorcliffeNew Zealand poet and writer
- James NorfolkEnglish Sergeant-at-arms
- James NorieScottish painter (1711-1736)
- James NorieBritish painter (1684-1757)
- James NorleyEnglish cricketer (1847-1900)
- James NormanAustralian journalist
- James Norman BilesAmerican painter
- James Norman Dentherpetologist
- James Norman HallAmerican author (1887–1951)
- James Norman ZahniserUnited States entomologist
- James Normington Rawling(1898-1966) political activist and writer
- James NorrisB.Com in Finance and Marketing from Department of Computer Science Pune, Pune
- James NorrisCanadian politician (1820-1891)
- James NorrisAmerican water polo player (1930–2021)
- James NorrisEnglish lawyer (c.1774 – 19 January 1838)
- James NorrisAmerican politician
- James NorrisAmerican seaman held in Bethlem Royal Hospital for 12 years (-1814)
- James NorrisPresident of Corpus Christi College, Oxford
- James NorrisEnglish association football player
- James Norris BrewerEnglish topographer and novelist, 1777-1839
- James Norris Gamble
- James NorrittBritish politician
- James NorthcoteAmerican painter (1822-1904)
- James NorthcoteEnglish painter (1746-1831)
- James NorthcoteEnglish actor
- James Northfieldposter artist (1887–1973)
- James NortonAmerican politician (1843-1920)
- James NortonBritish military officer, fought in Brazil
- James Nortonhusband of Julia Barrett
- James NortonBritish actor
- James NortonSolicitor and politician from New South Wales, Australia (1795-1862)
- James Norton SmithTasmanian politician
- James Norton, Jr.Politician and solicitor from New South Wales, Australia (1824-1906)
- James NorvalSouth African actor
- James NorvalBritish photographer
- James NorwoodEnglish association football player
- James Norwoodbaseball player
- James Norwood PrattAmerican writer
- James NotmanCanadian photographer (1849–1932)
- James NovelliAmerican sculptor
- James NowickAmerican chemist
- James NowlanPresident of the Gaelic Athletic Association
- James NoxonAmerican politician (1818–1881)
- James NoyesEnglish clergyman
- James Noël MacKenzie MacLeanBritish historian (1928–1978)
- James Nsaba ButuroUgandan politician
- James NuckollsAmerican lighting designer, author and educator
- James Nugent19th-century resident of Estes Park, Colorado
- James NugentBritish priest (1822–1905)
- James NunnBritish illustrator, print maker, and book cover artist
- James Nunnscreenwriter
- James NunnallyAmerican politician (1945–2025)
- James NunnallyAmerican basketball player (born 1990)
- James Nunnsin Nutrition and Dietetics from Texas Woman's University, Denton
- James Nursawretired British lawyer and public servant
- James NusserAmerican film and television actor
- James Nutcombe GouldBritish stage actor (1849-1899)
- James NuttallSprinter and middle distance runner (1840-1907)
- James Nwoye AdichiePh.D. University of California, Berkeley 1966
- James NxumaloSouth African politician
- James NyakuniUgandan businessman and entrepreneur
- James NyamweyaKenyan politician
- James Nyang'au OntereKenyan athlete
- James Nyoraku SchleferAmerican composer
- James Nyoro
- James Nyx Jr.songwriter (1914-1998)
- James O'BarrAmerican graphic artist
- James O'BeirneIrish surgeon
- James O'Beirnepolitician, died 1895
- James O'BrienIrish politician
- James O'Briennineteenth-century Irish barrister, politician and judge
- James O'Brienblacksmith and political figure in New Brunswick, Canada
- James O'BrienCanadian sprinter
- James O'BrienCanadian politician from Nova Scotia (1859–1932)
- James O'BrienIrish hurler
- James O'BrienBritish botanist (1842-1930)
- James O'BrienBritish radio presenter
- James O'BrienAmerican independent film director, screenwriter and producer.
- James O'BrienNew Zealand politician
- James O'BrienIrish-born American congressman for New York (1841-1907)
- James O'Brienmusician (1823–1885)
- James O'BrienCanadian politician (1836-1903)
- James O'Brien, 3rd Marquess of ThomondBritish naval officer (1769-1855)
- James O'Bryan, Jr.American politician
- James O'Callaghanpolitician
- James O'CollinsAustralian Roman Catholic bishop
- James O'ConnellAmerican long and triple jumper
- James O'ConnellAmerican labor union leader
- James O'ConnorBritish footballer (born 1984)
- James O'ConnorCork politician, member of the 33rd Dáil
- James O'ConnorAustralian rugby union player
- James O'ConnorAmerican politician, Arizona
- James O'ConnorIrish football midfielder and manager (born 1979)
- James O'ConnorIrish hurler and hurling manager
- James O'ConnorCatholic bishop (1823–1891)
- James O'ConnorIrish politician (1836–1910)
- James O'ConnorAmerican professor of sociology and economics (1930–2017)
- James O'ConnorAmerican politician, Louisiana (1870-1941)
- James O'ConnorIrish barrister, legal writer and judge (1872–1931)
- James O'Connor KessackBritish trade unionist (1879-1916)
- James O'Daypolitician in Massachusetts, US
- James O'DeaNew Zealand architect
- James O'DellAmerican politician
- James O'DohertyIrish politician and lawyer
- James O'DonnellIrish-American architect
- James O'DonnellAustralian rules footballer
- James O'DonnellUnion Army soldier, politician (1840-1915)
- James O'DonnellPatron of Rockwell College and Irish merchant in Newfoundland
- James O'DonnellBritish academic and musician; Organist and Master of the Choristers of Westminster Abbey
- James O'DonnellNew Zealand rugby union footballer (1860–1942)
- James O'Donnell BennettAmerican journalist (1870–1940)
- James O'Donnell QuinnCanadian politician
- James O'DonoghueIrish Gaelic football player
- James O'DowdBritish barrister
- James O'DowdAnglo-Irish barrister-at-law
- James O'FallonBishop of Elphin
- James O'FlynnIrish hurler
- James O'GradyBritish politician (1866-1934)
- James O'GwynnAmerican musician (1928–2011)
- James O'H. PattersonAmerican politician (1857-1911)
- James O'HaireIrish missionary priest
- James O'HalloranAustralian model and actor
- James O'Hallorancricketer (1872-1943)
- James O'HalloranCanadian politician
- James O'Haraactor
- James O'Hara
- James O'Haraarmy officer during the Revolutionary War and quartermaster general of the U.S. Army (1792–96)
- James O'HaraAmerican scholar of Latin literature
- James O'HaraBritish television announcer
- James O'Hara, 2nd Baron TyrawleyIrish officer in the British Army
- James O'Higgins Normansociologist
- James O'KeefeAmerican investigative journalist, filmmaker, and political activist
- James O'KeeffeIrish politician (1912-1986)
- James O'KellyAmerican clergyman
- James O'Lavertypriest and archaeologist
- James O'LearyIrish Roman Catholic cleric
- James O'Learycanoeist
- James O'LoghlinSouth Australian politician (1852–1925)
- James O'LoghlinAustralian comedian
- James O'MaraIrish politician and businessman (1873–1948)
- James O'MaraIrish politician (1817-1899)
- James O'MearaJournalist of the American west (primarily Oregon) 1825-1903
- James O'MearaBritish flying ace (1919–1974)
- James O'MoranIrish général de division in the French service (1739–1794)
- James O'Nealopera singer, singer
- James O'NeillIrish-American theatre actor (1847-1920)
- James O'NeillAmerican lawyer, politician and judge (1847-1929)
- James O'NeillAmerican lawyer and politician (1810-1882)
- James O'Neillrugby player
- James O'NeillAmerican politician (1824–1913)
- James O'NeillAmerican investor
- James O'NeillAmerican stage and film actor (1863-1938)
- James O'NeillAmerican college baseball player ( -1993)
- James O'NeillBritish musician
- James O'NeillNew Zealand politician (1819–1882)
- James O'NeillIrish priest ( -1922)
- James O'RearAmerican film, stage and television actor
- James O'ReillyCanadian politician (1823–1875)
- James O'ReillyAmerican Roman Catholic priest
- James O'ReillyCanadian judge
- James O'ReillyIrish/American Catholic bishop (1855–1934)
- James O'ReillyNorthern Irish politician (1916-1992)
- James O'ReillyNew Zealand rugby union footballer
- James O'RourkeAmerican canoeist (1915-1983)
- James O'Rourke, Jr.American canoeist
- James O'ShaughnessyAmerican investor
- James O'ShaughnessyBritish politician (born 1976)
- James O'ShaughnessyAmerican football player
- James O'SheaGaelic football player
- James O'SullivanIrish academic, author (1986-)
- James O'SullivanDirector of Military Stores for the New Zealand Military Forces, 1855-1925
- James O'SullivanIrish bishop
- James O'SullivanAustralian politician, 1867-1921
- James O'TooleIrish politician
- James O'TooleAustralian businessman
- James O'TooleAmerican journalist
- James O'TooleAmerican politician
- James O'TooleAmerican mobster
- James O. ArgueCanadian politician
- James O. BarrowsAmerican actor (1855-1925)
- James O. BassAmerican lawyer and politician (1910-2019)
- James O. Blosscotton broker (1847-1918)
- James O. BornAmerican crime fiction and science fiction writer
- James O. Brayman15 Jul 1815 - 30 Oct 1887
- James O. BrowningUnited States federal judge
- James O. C. EzeiloNigerian mathematician (1930–2013)
- James O. CauseyAmerican writer
- James O. ClephaneAmerican businessman (1842–1910)
- James O. CrosbyAmerican linguist
- James O. CurtisAmerican shipbuilder (1804–1890)
- James O. DurhamAmerican politician (born 1864)
- James O. EllisonUnited States federal judge (1929-2014)
- James O. FreedmanAmerican educator and academic administrator (1935–2006)
- James O. GoldsboroughAmerican journalist
- James O. Hallamateur historian who specialized in the assassination of Abraham Lincoln
- James O. HillAmerican obesity researcher
- James O. LawAmerican politician and merchant (1809–1847)
- James O. Maloneyscientist
- James O. MasonAmerican surgeon general (1930–2019)
- James O. McInerneyIrish biologist
- James O. McKinseyfounder of McKinsey & Company (1889–1937)
- James O. McManusAmerican politician in Rhode Island
- James O. McNamaraAmerican neuroscientist and neurologist
- James O. MillsAmerican anthropologist
- James O. MonroeAmerican newspaper editor and politician
- James O. MurrayAmerican clergyman and academic (1827–1899)
- James O. NewtonAmerican football and basketball coach (1882-1938)
- James O. PageAmerican firefighter (1936–2004)
- James O. Plinton Jr.U.S. Army Air Force pilot, member of Tuskegee Airmen
- James O. ProchaskaAmerican psychologist (1942–2023)
- James O. PutnamAmerican politician (1818–1903)
- James O. RamsayCanadian statistician
- James O. RichardsonUnited States Navy admiral (1878-1974)
- James O. RobbinsBusiness; President of Cox Communications, 1985-2005
- James O. RodgersAmerican writer and proponent of diverse workplaces
- James O. RodgersAmerican football player and coach (1874-1945)
- James O. S. HuntingtonEpiscopal priest (1854–1935)
- James O. ShacklefordAmerican judge (1809–1883)
- James O. SheppardAmerican politician
- James O. TrybomAmerican lawyer
- James Oakespolitician; (1821-1901)
- James OakesAmerican historian
- James OakesAmerican military officer (1826–1910)
- James OakleyTexas politician
- James Oakleyassociation football player (1901-1972)
- James OakleyAmerican film director
- James OatesBritish stage actor
- James OatesEnglish field Hockey
- James Oatlands Tuttle-SmithAmerican priest
- James OatleyEnglish watchmaker in colonial New South Wales
- James OatleyAustralian cricketer (1845-1925)
- James OatleyNew South Wales politician (1817-1878)
- James OatwayAward winning South African photojournalist
- James Obede ToneyGhanaian boxer
- James ObergAmerican journalist
- James Obergefellplaintiff in landmark 2015 US Supreme Court case on same-sex marriage
- James ObiloKenyan kabaddi player
- James ObiorahNigerian footballer
- James ObitaUgandan politician
- James ObstAustralian poker player
- James OcholiNigerian politician (1960-2016)
- James Ockendenprofessional golfer
- James OckendonEnglish soldier (1890–1966); recipient of the Victoria Cross
- James Octavius FaganAngloAmerican railroad worker and author
- James Octavius MachellBritish horse trainer
- James Oda
- James Odanzin Mathematics from National Defence Academy, Jalingo
- James Oddie(1824-1911) Ballarat pioneer
- James OddoRepublican politician from Staten Island
- James OdeckNorwegian professor
- James Odedejianglican bishop in Nigeria
- James OdongoUgandan Roman Catholic archbishop
- James OdongoUgandan sprinter
- James Odus MitchellAmerican football player and coach (1899–1989)
- James OdworiUgandan boxer
- James of Aragoneldest child of King James II of Aragon
- James of AvesnesFrench nobleman (1152-1191)
- James of BauxLatin Emperor of Constantinople and Prince of Achaea
- James of BresciaItalian Dominican theologian
- James of Castile, Lord of CamerosCastilian infante
- James of CerquetoItalian Roman Catholic religious and blessed (ca. 1284 - 1367)
- James of CoimbraPortuguese cardinal
- James of ConstantinopleEcumenical Patriarch of Constantinople
- James of Cyrrhestica4th-century Syrian monk
- James of DouaiFrench philosopher
- James of IrelandFranciscan friar (fl. 1316–1330)
- James of JülichFranciscan friar
- James of KokkinobaphosByzantine monk (12th century)
- James of LausanneFrench theologian
- James of LusignanPrince of Cyprus and Titular Count of Tripoli
- James of Majorcamonk, crown prince of the Kingdom of Majorca
- James of ManugEgyptian saint
- James of Mar, 30th Earl of MarScottish noble (1914-1975)
- James of Metzfourteenth century philosopher
- James of Milan13th-century Italian author
- James of Padua14th century Franciscan missionary
- James of PecoraraItalian cardinal
- James of PiedmontLord of Piedmont, Prince of Achaea
- James of RostovEastern Orthodox priest
- James of Saint GeorgeFrench architect of the 13th century
- James of the MarchesItalian Friar Minor, preacher and writer
- James of VeniceItalian linguist and translator
- James of ViterboItalian archbishop
- James OgbonnaNigerian biotechnologist
- James OgilvieBishop of Aberdeen
- James OgilvieAustralian cyclist
- James Ogilvie Fairliegolfer (1809-1870)
- James Ogilvie of CardellScottish courtier (died 1574)
- James Ogilvie-Grant, 11th Earl of SeafieldScottish noble (1876–1915)
- James OgilvyScottish Royalist army officer
- James OgilvyBritish landscape designer and publisher (born 1964)
- James Ogilvy, 1st Earl of AirlieScottish royalist of the Wars of the Three Kingdoms
- James Ogilvy, 1st Earl of FindlaterScottish nobleman
- James Ogilvy, 3rd Earl of Findlater(died 1711)
- James Ogilvy, 4th Earl of FindlaterScottish politician
- James Ogilvy, 5th Earl of FindlaterScottish peer
- James Ogilvy, 5th Lord Ogilvy of AirlieScottish nobleman 1540/41–1606
- James Ogilvy, 6th Earl of FindlaterScottish earl
- James Ogilvy, 7th Earl of FindlaterBritish Earl
- James Ogilvy-Grant, 9th Earl of SeafieldBritish politician (1817-1888)
- James Ogistetobago politician
- James OglethorpeBritish Army general, founder of the Georgia colony (1696-1785)
- James OgooEnglish footballer (born 1982)
- James Ogwuche SimonB.Sc in Business Economics from Bengal College of Engineering and Technology, Malda
- James Ohprofessional golfer
- James Ohio PattieAmerican frontiersman from Kentucky
- James OhlenCanadian video game designer
- James OhrenschallAmerican politician
- James OinamI.Sc in Data Entry, Kohima
- James OkelloUgandan basketball player (born 1992)
- James Okey Nashpedagogue
- James Okolifootballer
- James OkuboUnited States Army Medal of Honor recipient (1920–1967)
- James Okwe Chibuezeresearcher
- James OkwuosaNigerian footballer
- James Oladipo WilliamsNigerian lawyer (1975-1999)
- James OlakunleNigerian sprinter
- James Olanrewaju OmiyinkaNigerian actor, content creator, and social media comedian
- James OlayinkaEnglish footballer
- James OldenBE BTech in Computer Science from Amity Business School, Delhi
- James OldfieldBritish opera singer
- James OldhamBritish engineer; (1801-1890)
- James OldknowEnglish cricketer (1873-1944)
- James Oldo
- James OldsAmerican psychologist (1922–1976)
- James OldsAustralian opera singer
- James Oldsrugby league footballer
- James OldshueAmerican chemical engineer (1925-2007)
- James Ole DavidsonAmerican politician (1854-1922)
- James Ole Kiyiapipolitician
- James OlerCanadian religious leader and criminal (born 1964)
- James OliphantChairman of the British East India Company
- James Oliphant FraserCanadian politician (1826-1904)
- James Oliphant Fraser, Jr.lawyer and politician in Newfoundland
- James Oliphant, Lord NewtonPeerage person ID=575544
- James OliveAmerican militiaman
- James OliveBritish police commissioner (1856–1942)
- James Oliverfirst African-American Doctor to attend University of Mississippi Medical Center
- James OliverAmerican inventor and industrialist (1823–1908)
- James OliverAmerican lawyer and politician from New York
- James Oliver CurwoodAmerican writer and conservationist (1878–1927)
- James Oliver EwartBritish intelligence officer (1917–1945)
- James Oliver HortonAmerican historian (1943-2017)
- James Oliver Preston
- James Oliver Van de VeldeCatholic bishop in the United States (1795–1855)
- James Oliver Wheatleyactor
- James Oliver-PearceEnglish association football coach
- James OliverioAmerican composer
- James OllivierFrench singer (1933–1997)
- James OlmstedConnecticut politician (1645-1731)
- James OlsenEnglish footballer (born 1981)
- James Olsen
- James OlsonAmerican actor (1930–2022)
- James OlthuisAmerican theologian
- James OluleyeNigerian Army general (1930–2009)
- James OmagbemiNigerian sprinter
- James Omagefrom Demo N4S, Mexico City or Ciudad de México
- James OmietimiNigerian consultant obstetrician and gynecologist
- James Omingo MagaraKenyan politician
- James OmondiKenyan boxer
- James OmondiKenyan footballer (born 1980)
- James Omondi OnyangoBarchelor of Science in Mathematics and Computer Science in Statistics from Mult, Nairobi
- James OmuraAmerican journalist (1912–1994)
- James Ondicho GesamiKenyan politician
- James OnealAmerican historian (1875–1962)
- James OnenUgandan radio personality (born 1975)
- James OngwaeKenyan politician
- James OnobionoCameroonian businessperson
- James OnodaJapanese actor and seiyū
- James OnwualuAmerican football player (born 1994)
- James Opelton BradleyAmerican serial killer
- James Opiyo WandayiKenyan politician
- James OppenheimAmerican poet, novelist and editor of The Seven Arts Magazine (1882-1932)
- James Oppong-BoanuhGhanaian lawyer and police officer
- James Oram1936-1996
- James OramNew Zealand bicycle racer
- James OrangeAmerican pastor and activist
- James OrbinskiCanadian physician
- James OrdEnglish cricketer (born 1987)
- James Ordnaval officer (1789-1873)
- James Ord HumeEnglish musician
- James Oren Ellis, Jr.United States admiral
- James OrengoKenyan lawyer, politician
- James OrfordClinical and community psychologist
- James Orin MoteAmerican bishop
- James Orlin GrabbeAmerican economist (1947–2008)
- James OrmanAustralian jockey
- James OrmeBritish rower
- James Ormiston
- James OrmistonCanadian politician
- James Ormiston AffleckScottish physician and medical author
- James Ormiston McWilliamScottish physician
- James OrmondEnglish cricketer (born 1977)
- James OrmondBritish alpine skier
- James OrmondeLord High Treasurer of Ireland
- James Ormondejournalist and politician in New South Wales, Australia (1901–1970)
- James Ormsbee ChapinAmerican artist (1887-1975)
- James Ormston Burnsguitar maker
- James OrrScottish footballer (1871-1942)
- James OrrAustralian cricket umpire (1868-1940)
- James OrrCanadian politician (1826-1905)
- James OrrCanadian film director, producer and screenwriter
- James OrrBritish Presbyterian minister, historian and theologian (1844-1913)
- James OrrIrish poet
- James OrrBritish colonial police officer (1917-2008)
- James OrrBritish theologian and political activist
- James Orr MacAndrewBritish politician (1889-1979)
- James OrrockBritish artist (1829-1913)
- James Orromuniversity teacher, designer
- James OrthweinAmerican football executive (1924-2008)
- James OrtizAmerican puppet designer (born 1984)
- James OrtonAmerican naturalist (1830–1877)
- James OrtonIrish poet
- James Orton WoodruffAmerican engineer
- James Oruworianglican bishop in Nigeria
- James Orville ClarkAmerican lawyer and politician (1910–1971)
- James Osbornerecipient of the Victoria Cross (1857–1928)
- James OsborneBritish sport shooter
- James Osbornepastoralist and politician in New South Wales, Australia (1845-1877)
- James Osborne ArthurReverend
- James Oscar Boyd(1874-1947) US theologian
- James Oscar Davis IIIAmerican politician from the U. S. state of Florida
- James OscarsonAmerican politician
- James Oseifrom James Osei, Charlotte Amalie
- James OselandAmerican writer
- James Osgood AndrewAmerican Bishop (1794-1871)
- James OstrandNorwegian-American soldier and lawyer (1871–1937); Associate Justice of the Supreme Court of the Phi
- James OstrerBritish Photographer
- James OswaldChurch of Scotland minister and philosophical writer (1703–1793)
- James OswaldBritish politician
- James OswaldScottish composer, arranger, cellist and music publisher
- James OswaldBritish politician (1779-1853)
- James OswaldBritish Member of Parliament (died 1716)
- James OswaldBritish writer
- James Oswald DykesBritish clergyman
- James Oswald Noel VickersBritish trade union leader (1916–2008)
- James Osyf
- James Otache ObiaboBBE in Economics and Management from University of Benin, Lagos
- James OtisAmerican politician (1826-75)
- James Otislawyer in colonial Massachusetts (1725-1783)
- James OtisAmerican politician (1836–1898)
- James OtisAmerican actor (1948-2020)
- James Otis Follett
- James Otis KalerAmerican author, educator (1848-1912)
- James Otis LyfordAmerican lawyer and politician (1853–1924)
- James Otis PostAmerican architect (1873–1951)
- James Otis Sr.American politician and lawyer (1702–1778)
- James OtsukaAmerican activist (1921–1984)
- James OttawayEnglish association football player (1896-?)
- James OttawayBritish actor (1908–1999)
- James OttesonAmerican philosopher
- James OttoAmerican musician
- James Otto Earhartexecuted American murderer and suspected serial killer
- James Otto LewisAmerican painter (1799-1858)
- James OuchterlonyScottish racing cyclist
- James OutmanAmerican baseball player (born 1997)
- James OutramBritish mountain climber (1864–1925)
- James Outram Frasermissionary to China, inventor of Tibeto-Burman Nosu alphabet
- James OverlackGerman author (1877-1960)