Beitia is a surname. Notable people with the surname include:
Beitia (footballer) (1936-2006), Gonzalo Díaz Beitia, Spanish footballer Isaac Beitia (born 1995), Panamanian swimmer Joseba Beitia (born 1990), Spanish footballer Ruth Beitia (born 1979), Spanish high jumper Santiago Beitia (born 1938), Spanish rower Xavier Beitia (born 1982), American football placekicker