Ubiratan is a masculine given name. Notable people with the name include:
Ubiratan D'Ambrosio, Brazilian historian of mathematics Ubiratan Castro, Brazilian historian and writer Ubiratan Gonçalves, Brazilian herpetologist Ubiratan Guimarães, Brazilian military policeman and politician Ubiratan Pereira Maciel (1944–2002), Brazilian basketball player
See also Elivelton Ubiratan Oliveira de Lima (born 1995), Brazilian football defender Ubiratan Esporte Clube, Brazilian football club Ubiratã, municipality in Paraná, Brazil