Givi Ivanovich Onashvili (born 27 July 1947) is a Georgian judoka who competed for the Soviet Union at the 1972 Summer Olympics, and won a bronze medal in the heavyweight class.
Onashvili won a bronze medal in the 1969 World Judo Championships in Mexico City. He is a double European Champion (London 1974 and Lyon 1975), three times silver medalist (Oostende 1969, Voorburg 1972 and Kiev 1976) and bronze medalist in Göteborg 1971. In 1976, he won a silver medal in the International Tournament of Paris.