John Flesch (born July 15, 1953) is a Canadian former professional ice hockey left winger. He was drafted by the Atlanta Flames in the fifth round, 69th overall, of the 1973 NHL Amateur Draft. He played 124 National Hockey League games with the Minnesota North Stars, Pittsburgh Penguins, and Colorado Rockies. He was also drafted by the World Hockey Association's Minnesota Fighting Saints; however, he never played in that league. Flesch spent the next six seasons in the International Hockey League and retired in 1986. In the NHL Flesch scored 18 goals and 23 assists in 124 games.