Theo

Theo is a given name and a hypocorism.

Greek origin
Many names beginning with the root "Theo-" derive from the Ancient Greek word theos (θεός), which means God, for example:
 * Feminine names: Thea, Theodora, Theodosia, Theophania, Theophano and Theoxena
 * Masculine names: Theodore, Theodoros/Theodorus, Theodosius, Theodotus, Theophanes, Theophilus, Theodoret and Theophylact

Germanic origin
Many other names beginning with "Theo-" do not necessarily derive from Greek, but rather the old Germanic "theud", meaning "people" or "folk". These names include:
 * Theobald, Theodahad, Theodard, Theodebert, Theodemir, and Theodoric

People with the name Theo
See Theo and Théo for a current alphabetical list of all people with the first name Theo or Théo in the English Wikipedia.

Among better known people with this name are:


 * Theo Adam (1926–2019), German classical bass-baritone
 * Theo Albrecht (1922–2010), German entrepreneur and billionaire
 * Theo Angelopoulos (1935–2012), Greek filmmaker, screenwriter and film producer
 * Theo Bos (born 1983), Dutch road and track cyclist, five-time world champion
 * Theo van Doesburg (1883–1931), Dutch artist, founder and leader of the De Stijl art movement
 * Theo Epstein (born 1973), American baseball executive, three-time World Series champion
 * Theo Fleury (born 1968), Canadian ice hockey player
 * Theo Geisel (1904–1991), American author better known as Dr. Seuss
 * Theo van Gogh (art dealer) (1857–1891), brother and supporter of painter Vincent van Gogh
 * Theo van Gogh (film director) (1957–2004), Dutch film director, great-grandson of the above
 * Theo Heemskerk (1852–1932), Dutch Prime Minister
 * Théo Hernandez (born 1997), French footballer
 * Theo Hutchcraft (born 1986), English singer and songwriter
 * Theo Jackson (disambiguation), multiple people
 * Theo James (born 1984), English actor
 * Theo Jansen (born 1948), Dutch artist and kinetic sculptor
 * Theo Janssen (born 1981), Dutch footballer
 * Theo Johnson (born 2001), Canadian American football player
 * Theo Jörgensmann (born 1948), German jazz clarinetist and composer
 * Théo Lefèvre (1914–1973), Belgian Prime Minister
 * Theo Lingen (1903–1978), German actor, film director and screenwriter
 * Theo Mackeben (1897–1953), German composer and conductor
 * Theo Osterkamp (1892–1975), German flying ace in both World War I and World War II
 * Theo Pabst (1905–1979), German architect
 * Theo Pelouze (1807–1867), French chemist
 * Theo de Raadt (born 1968), South African-born Canadian founder and leader of the OpenBSD and OpenSSH projects
 * Theo Ratliff (born 1973), American basketball player (Theophalus)
 * Theo Rossi (born 1975), American actor and producer
 * Théo van Rysselberghe (1862–1926), Belgian neo-impressionist painter
 * Théo Sarapo (1936–1970), French singer and actor, husband of Édith Piaf
 * Theo Smyrnaeus (fl. 100 CE), Greek philosopher and mathematician (Theon)
 * Theo Sommer (1930–2022), German newspaper editor and intellectual
 * Theo Timmer (born 1949), Dutch motorcycle racer
 * Theo Timmermans (footballer born 1926), Dutch footballer
 * Theo Timmermans (born 1989), Dutch footballer
 * Theo Von (born 1980), American stand-up comedian, television personality, host, and actor
 * Theo Waigel (born 1939), German politician, known as the father of the Euro
 * Theo Walcott (born 1989), English footballer
 * Theo Zagorakis (born 1971), Greek footballer and politician
 * Theo (born 2005), formerly known as Theoz, Swedish influencer and singer

Fictional characters

 * Theo, the self-proclaimed 'King of All the Land', protagonist of Ultra Jump Mania and Tari's first companion in the Meta Runner web series
 * Theo Decker, main character in Donna Tartt's novel The Goldfinch
 * Theo Faron, the main character in P.D. James's 1992 novel The Children of Men and of the 2006 film Children of Men based on the novel
 * Theo Fobius, in the webcomic Schlock Mercenary
 * Theo Huxtable, in the sitcom The Cosby Show
 * Theo, a character in the animated television series Looped
 * Theo Kojak, lead character of the Kojak television series
 * Theo Raeken, a fictional character in the 2011-2017 TV series Teen Wolf
 * Theo Saville, one of the main characters on the television series A Million Little Things, son of Eddie and Katherine