Joseph Jean Gilles Tremblay (December 17, 1938 – November 26, 2014) was a Canadian ice hockey left winger who played his entire National Hockey League (NHL) career with the Montreal Canadiens from 1960 to 1969. He played 509 games, scored 168 goals and added 162 assists before injuries led to his retirement at the age of 31. Tremblay was a member of four Stanley Cup championship teams with Montreal, in 1965, 1966, 1968, and 1969.

After his hockey player career, from 1971 to 1997, he worked as a French-language broadcaster for ice hockey; he won the 2002 Foster Hewitt Memorial Award for his work.