John Quinn (October 15, 1941 – April 22, 2019) was a Canadian professional wrestler. He was best known for his appearances in the World Wide Wrestling Federation (WWWF) under the ring name The Kentucky Butcher in the late-1960s. He challenged then WWWF World Heavyweight Champion Bruno Sammartino on several occasions, including a 1968 main event at Madison Square Garden.
During his later career, he also appeared in European and Japanese organizations from the 1970s until the late 1980s.