Peter Fishbach (born August 29, 1947) is an American former professional tennis player. Fishbach was born and raised in New York. He is the son of Joe Fishbach, who is considered a pioneer of indoor tennis courts, opening the country's first in 1958. His younger brother Mike Fishbach was a professional player, most famous for his controversial use of the "spaghetti racquet". He is a former coach of South African player Christo van Rensburg.