As a personal name

Humans

• Saint Toto, the Roman name for Saint Theodore of Amasea.
• Totò, diminutive for Salvatore in Sicily, and Antonio in Campania
• Totò (1898-1967), stage name of an Italian actor, writer, and songwriter
• Toto Cutugno (born 1943), Italian pop singer-songwriter
• Totó la Momposina (born 1948), female Colombian singer
• Toto (mythology), a chief in Māori migration traditions
• Renato Tosio, Swiss ice hockey goaltender nicknamed "Toto"
• Toto Bissainthe, Haitian actress and singer,
• Salvatore Riina, also known as Totò Riina, a Sicilian Mafia boss

Animals

• Toto (gorilla) (1931-1968) a female adopted by A. Maria Hoyt
• Toto, a cheetah cub seen in BBC series Big Cat Diary

In fiction

• Toto (dog), Dorothy Gale's dog in The Wonderful Wizard of Oz, played in the movie by "Terry"
• Toto, a minor character from the anime One Piece
• Toto, the new Gamera in Gamera the Brave

Locations

• Toto, Angola, a town in Angola
• Toto, Indiana, a small community near North Judson
• Tongue of the Ocean, a deep oceanic trench in the Bahamas

Tribe

• Toto tribe, primitive Indo-Bhutanese residing in Totopara in West Bengal, India
• Toto language, Tibeto-Burman language spoken by Toto tribe members

Gambling

• Toto (gaming), lottery in Singapore, Malaysia, Germany and other countries.
• Football pools, called "toto" in several languages

Musical groups

• Toto (band), a Grammy Award-winning American pop/rock group
• Toto (album), the aforementioned group's debut album
• Toto Coelo, an 1980s British girl band, known for the song "I Eat Cannibals"

Films

• Rudo y Cursi (Mexico, 2008) whose working title was Toto ()
• Toto (1933 French film) (), Toto (1982 Finnish film) ()

Others

• In toto, Latin for "in totality", "in all" or "altogether".
• TOTO, scientific instrument used to study tornadoes in the 1980s
• TOTO (company), a Japanese manufacturer of bathroom fixtures, including sinks, toilets and bathtubs.
• Toto is a vulgar slang term in Spanish for female genitalia of common use in the Dominican Republic.
• Toto (guitar), a guitar with a slightly lighter design than usual