Jiří Hřebec (born 19 September 1950) is a retired Czech professional tennis player. He won three singles and four doubles titles on the ATP Tour during his career. Hřebec achieved his highest singles ranking of world No. 25 in April 1974. Currently, he acts as one of the two trainers of the Czech tennis player Markéta Vondroušová, together with Jan Hernych.