Namesakes
American Presidents:
1 president
Theodore Roosevelt 1901-1909 
Belgian Prime Ministers:
2 prime ministers
Barthélémy de Theux de Meylandt (a.k.a. Théodore) 1834-1840; 1846-1847; 1871-1874
Théo Lefèvre 1961-1965
Bishops of Rome and the Popes:
2 popes, 1 antipope
Theodore I 642-649
Theodore 687
Theodore II 897
Bulgarian Kings and Tsars:
1 tsar
Tsar Todor Svetoslav (a.k.a. Theodore) 1300-1322
Tawadros I (a.k.a. Theodore) 730-742
Emmy Award Winners:
1 actor
(actor) Craig T. Nelson (a.k.a. Theodore) 1992 Coach
Fictional Characters from Books:
1 character
Theodore Laurence 1868 Little Women
Fictional Characters from Television:
6 characters
Theo Carver 1965 Days of Our Lives
Theodore "T. C." Calvin 1980 Magnum, P.I.
Theo Huxtable 1984; 1987 The Cosby Show; A Different World
Eric Cartman (a.k.a. Theodore) 1997 South Park
Ted Mosby 2005 How I Met Your Mother
Theodore "T-Bag" Bagwell 2005 Prison Break
French Presidents and Prime Ministers:
2 prime ministers
(prime minister) Charles Duclerc (a.k.a. Théodore) 1882-1883
(prime minister) Théodore Steeg 1930-1931
Hall-of-Famers:
2 baseball, 2 ice hockey, 1 football
(baseball) Ted Lyons 1955
(baseball) Ted Williams 1966
(ice hockey) Ted Lindsay 1966
(ice hockey) Ted Kennedy 1966
(football) Ted Hendricks 1990
Harry Potter Characters:
1 character
Theodore Nott
Most Valuable Players:
2 winners
Ted Williams 1946; 1949 baseball
Ted Kennedy 1955 ice hockey
Nobel Prize Winners:
2 chemistry, 1 economics, 1 peace
(peace) Theodore Roosevelt 1906
(chemistry) Theodore William Richards 1914
(chemistry) Glenn T. Seaborg (a.k.a. Theodore) 1951
(economics) Theodore Schultz 1979
Notable Actors and Entertainers:
8 actors, 1 comedian
Chill Wills (a.k.a. Theodore) 1902-1978
Toon Hermans (a.k.a. Theodore) 1916-2000
Scott Glenn (a.k.a. Theodore) 1939-
Craig T. Nelson (a.k.a. Theodore) 1944-
Ted Lange 1948-
William Katt (a.k.a. Theodore) 1951-
Ted McGinley 1958-
T. R. Knight (a.k.a. Theodore) 1973-
Theo James (a.k.a. Theodore) 1984-
Notable Artists:
2 painters
Théodore Géricault 1791-1824
Théodore Rousseau 1812-1867
Notable Athletes:
2 baseball, 2 ice hockey, 1 golf, 1 skiing
(baseball) Ted Lyons 1900-1986
(baseball) Ted Williams 1918-2002
(ice hockey) Ted Lindsay 1925-2019
(ice hockey) Ted Kennedy 1925-2009
(golf) Ernie Els (a.k.a. Theodore) 1969-
(skiing) Ted Ligety 1984-
Notable Evildoers:
1 terrorist
Ted Kaczynski 1942-2023
Notable Filmmakers:
1 director
Ted Kotcheff 1931-
Notable Musicians:
2 composers, 2 musicians, 2 singers
Frederick Delius (a.k.a. Theodore) 1862-1934
Gustav Holst (a.k.a. Theodore) 1874-1934
Toon Hermans (a.k.a. Theodore) 1916-2000
Ric Ocasek (a.k.a. Theodore) 1944-2019
Ted Nugent 1948-
Guy Sebastian (a.k.a. Theodore) 1981-
Notable Politicians and Statespeople:
1 politician
Spiro Agnew (a.k.a. Theodore) 1918-1996
Notable Scientists and Inventors:
2 chemists
Theodore William Richards 1868-1928
Glenn T. Seaborg (a.k.a. Theodore) 1912-1999
Notable Writers:
1 poet
Theodore Roethke 1908-1963
Olympic Medalists:
2 gold, 1 bronze, 1 silver
(gold) Willard Schmidt (a.k.a. Theodore) 1936 basketball
(silver) Bill Bruce (a.k.a. Theodore) 1948 long jump
(bronze) Thomas Jefferson (a.k.a. Theodore) 1984 200 m
(gold) Ted Ligety 2006; 2014 alpine skiing
Other Leaders:
1 prime minister
Prime Minister Gaspard-Théodore-Ignace de la Fontaine 1848 Luxembourg
Pulitzer Award Winners:
1 literature
(literature) Theodore Roethke 1954 The Waking
Rock and Roll Hall-of-Famers:
1 musician
Ric Ocasek (a.k.a. Theodore) 2018 The Cars
Roman and Byzantine Emperors:
2 emperors
Emperor Theodorus Comnenus Lascaris (a.k.a. Theodore) 1205-1222
Emperor Theodorus Ducas Lascaris (a.k.a. Theodore) 1254-1258
Saints:
14 saints
Saint Theodore ?
Saint Theodore ?-130
Saint Theodore of Perge ?-220
Saint Theodore ?-260
Saint Theodore ?-310
Saint Theodore ?-c. 310
Saint Theodore Trichinas ?-330
Saint Theodore ?-550
Saint Theodore ?-575
Saint Theodore of Tarsus 602-690
Saint Theodore of Sykeon ?-613
Saint Theodore the Studite 759-826
Saint Theodore ?-841
Saint Étienne-Théodore Cuenot 1802-1861