Celio may refer to:
People Célio Mata-Boi (born 1990), Mauricélio Holanda da Silva, Brazilian football player Elton Divino Celio (born 1987), Brazilian football player known as Eltinho Enrico Celio (1889-1980), Swiss politician Gaspare Celio (1571-1640), Italian painter Nello Celio (1914-1995), Swiss politician
Places in Italy Caelian Hill (Italian Celio), one of the Seven Hills of Rome Celio, Lazio, a rione in the City of Rome
Other Celio (retailer), French clothing retailer Celio Technology Corporation