Teodor is a masculine given name. In English, it is a cognate of Theodore. Notable people with the name include:

• Teodor Aaron (1803–1867), Romanian Greek Catholic priest and historian
• Teodor Andrault de Langeron (19th century), President of Warsaw
• Teodor Andrzej Potocki (1664–1738), Polish nobleman
• Teodor Anghelini (born 1954), retired Romanian football player and coach
• Teodor Anioła (1925–1993), Polish footballer
• Teodor Atanacković (born 1945), Serbian scientist
• Teodor Atanasiu (born 1962), Romanian engineer and politician
• Teodor Atanasov (born 1987), Macedonian basketball player
• Teodor Axentowicz (1859–1938), Polish painter
• Teodor Axinte (born 2000), Romanian professional footballer
• Teodor Baconschi (born 1963), Romanian politician
• Teodor Bârcă (1894–1993), Moldovan politician
• Teodor Berg Haltvik (born 1999), Norwegian footballer
• Teodor Betting (1827–1892), German piano maker
• Teodor Bieregowoj (1908–1986), Polish racewalker
• Teodor Boldur-Lățescu (19th century), Romanian politician, essayist and newspaper publisher
• Teodor Brateș, Romanian journalist
• Teodor Bujnicki (1907–1944), Polish poet
• Teodor Burada (1839–1923), Romanian ethnographer and musicologist
• Teodor Calmășul (18th century), Romanian boyar
• Teodor Cojocaru (1879–1941), Bessarabian military commander and politician
• Teodor Coman, Romanian former rugby union football player
• Teodor Corban (1957–2023), Romanian actor
• Teodor Currentzis (born 1972), Greek conductor, musician and actor
• Téodor de Wyzewa (1862–1917), French writer, art and music critic, and translator of Polish origin
• Teodor Demetriad (born 1978), Romanian bobsledder
• Teodor Filipović (1778–1807), Serbian lawyer
• Teodor Florian (1899–?), Romanian rugby union player
• Teodor Frunzeti (born 1955), Romanian Land Forces general
• Teodor Gotszalk, Polish scientist
• Teodor Heba (1914–2001), Albanian politician
• Teodor Herța (1891–?), Bessarabian politician
• Teodor Hristov (born 2000), Bulgarian kickboxer
• Teodor Ilić Češljar (1746–1793), Serbian painter
• Teodor Ilincăi (born 1983), Romanian opera tenor
• Teodor Ivanov (born 2004), Bulgarian footballer
• Teodor Janković-Mirijevski (1741–1814), Serbian academic and writer
• Teodor Jełowicki (1828–1905), Polish landowner
• Teodor Kabakchiev (born 1998), Bulgarian motorcycle racer
• Teodor Kazimierz Czartoryski (1704–1768), bishop of Poznań
• Teodor Keko (1958–2002), Albanian writer
• Teodor Kocerka (1927–1999), Polish rower
• Teodor Komogovinski (18th century), Serbian cleric and saint
• Teodor Koskenniemi (1887–1965), Finnish athlete
• Teodor Kračun (18th century), Serbian painter
• Teodor Kubina (1880–1951), Roman Catholic bishop
• Teodor Laço (1936–2016), Albanian writer and diplomat
• Teodor Leszetycki (1830–1915), Polish pianist, teacher and composer
• Teodor Lippmaa (1892–1943), Estonian botanist
• Teodor Lubieniecki (c. 1654–1718), Polish Baroque painter and engraver
• Teodor Lubomirski (1683–1745), Polish nobleman
• Teodor Lucuță (1955–2013), Romanian footballer
• Teodor Lungu (born 1995), Moldovan footballer
• Teodor Marian, Romanian rugby union player
• Teodor Martynyuk (born 1974), Ukrainian Catholic archbishop
• Teodor Matsapula (born 1981), Ukrainian Ruthenian Catholic hierarch
• Teodor Meleșcanu (born 1941), Romanian politician, diplomat and jurist
• Teodor Moraru (1938–2011), contemporary Romanian painter
• Teodor Muzaka (disambiguation), several people
• Teodor T. Nalbant (1933–2011), Romanian ichthyologist
• Teodor Narbutt (1784–1864), Polish-Lithuanian writer, Romanticist historian and military engineer
• Teodor Neaga (1878–1941), Bessarabian politician
• Teodor Negoiță (1947–2011), Romanian polar region explorer
• Teodor Nițulescu (born 1959), Romanian politician
• Teodor Obadal (born 2001), Canadian soccer player
• Teodor Odhner (1879–1928), Swedish zoologist
• Teodor Parnicki (1908–1988), Polish writer
• Teodor Pejačević (1855–1928), Croatian politician
• Teodor Peterek (1910–1969), Polish soccer player
• Teodor Peterson (born 1988), Swedish cross-country skier
• Teodor Pîrjol (born 1957), Romanian boxer
• Teodor Popescu (20th century), Romanian bobsledder
• Teodor Račanin, Serbian writer
• Teodor Regedziński (1894–1954), Polish chess master
• Teodor Rotrekl (1923–2004), Czech illustrator and painter
• Teodor Runsiö (born 1995), Swedish child actor
• Teodor Rus (born 1974), Romanian footballer and manager
• Teodor Rygier (1841–1913), Polish sculptor
• Teodor Salparov (born 1982), Bulgarian volleyball player
• Teodor Shanin (1930–2020), Polish sociologist
• Teodor Shteingel (1870–1946), Ukrainian archaeologist, philanthropist and nationalist politician
• Teodor Siliqi, Albanian chess player
• Teodor Sillman (1854–1926), Finnish politician
• Teodor Skorchev (born 1986), Bulgarian footballer
• Teodor Skuminowicz (died 1668), Lithuanian Roman Catholic prelate
• Teodor Stanca (1933–2023), Romanian engineer and politician
• Teodor V. Ștefanelli (1849–1920), Austrian-born Romanian imperial historian, writer and lawyer
• Teodor Stefanov Gologlavac, Serbian painter
• Teodor Suruceanu, Bessarabian politician
• Teodor Szybiłło, polish politician
• Teodor Talowski (1857–1910), Polish architect
• Teodor Tarnavschi (1859–1914), Romanian Orthodox priest and theology professor
• Teodor Tchipev (born 1940), Bulgarian judge and politician
• Teodor Teodorov (1859–1924), Bulgarian politician
• Teodor Todeski (born 2002), Macedonian handball player
• Teodor Todorov (born 1989), Bulgarian volleyball player
• Teodor Uncu (c. 1887–1940), Bessarabian politician
• Teodor Ussisoo (1878–1959), Estonian interior architect
• Teodor Vârnav (1801–1868), Romanian writer and translator
• Teodor Vasile (born 1947), Romanian cyclist
• Teodor Vaso (1941–2024), Albanian footballer
• Teodor Wålemark (born 2001), Swedish footballer
• Teodor Wieczorek (1923–2009), Polish footballer
• Teodor Wieliszek (1898–1952), Polish footballer
• Teodor Zaczyk (1900–1990), Polish fencer
• Teodor Zgureanu (1939–2024), Moldovan conductor and composer
• Teodor Żychliński (1830–1909), Polish heraldic, diarist, journalist and editor

• Teodor., taxonomic author abbreviation for Emanoil C. Teodorescu (1866–1949), Romanian botanist
• Teodors, a Latvian given name
• Theodor, a German given name