John Paish (born 25 March 1948) is a former professional tennis player from England who competed for Great Britain. He is the son of tennis player and administrator Geoffrey Paish. Paish played a Davis Cup tie for the Great British team in 1972, against France. He lost both his singles rubbers, to Pierre Barthes and Patrick Proisy, but won the doubles rubber, beside David Lloyd. It was also with Lloyd that he made the semi-finals of the 1973 Wimbledon Championships. He was runner-up to Jimmy Connors at the 1972 Queen's Club Championships.