Caio is a Portuguese masculine given name derived from the Latin name Gaius. People with that name include:
Caio (footballer, born 1999), Brazilian footballer
Caio Fernando Abreu (1948–1996), Brazilian writer
Caio Alves (born 1986), Brazilian footballer
Caio Blat (born 1980), Brazilian actor
Caio Blinder (born 1957), Brazilian journalist
Caio Bonfim (born 1991), Brazilian racewalker
Caio Castro (born 1989), Brazilian actor
Caio César (1988–2015), Brazilian voice actor
Caio Collet (born 2002), Brazilian racing driver
Caio Canedo Corrêa (born 1990), Brazilian footballer
Caio De Cenco (born 1989), Italian footballer
Caio Lucas Fernandes (born 1994), Brazilian footballer
Caio Fonseca (born 1959), American painter
Caio Domenico Gallo (1697–1780), Italian historian
Caio Japa (born 1983), Brazilian futsal player
Caio Júnior (1965–2016), Brazilian football manager
Caio Koch-Weser (born 1944), German politician
Caio Magalhães (born 1987), Brazilian mixed martial artist
Caio Vianna Martins (1923–1938), Brazilian scout
Caio Mendes (born 1986), Brazilian footballer
Caio Pizzoli, Brazilian ten-pin bowler
Caio Prado Júnior (1907–1990), Brazilian historian
Caio Rangel (born 1996), Brazilian footballer
Caio Ribeiro (born 1975), Brazilian footballer
Caio Henrique Siqueira Sanchez (born 1993), Brazilian footballer
Caio Secco (born 1990), Brazilian footballer
Antônio Caio da Silva Sousa (born 1980), Brazilian footballer
Caio Souza (born 1993), Brazilian artistic gymnast
Caio Terra (born 1986), Brazilian jiu-jitsu practitioner
Caio Torres (born 1987), Brazilian basketball player
Caio Danilo Laursen Tuponi (born 1992), Brazilian footballer
Caio Zampieri (born 1986), Brazilian tennis player
Wolnei Caio (born 1968), Brazilian footballer
See also
Caio (disambiguation) Caius (disambiguation) Gaius