Heinz Poenn (September 11, 1934 – October 23, 2016) was a Canadian slalom canoeist who competed in the early 1970s.
He was a long-time resident of Holland Landing, Ontario and owned a stainless steel manufacturing company in nearby Vaughan.
He competed in the Men’s K-1 at the Munich 1972 Olympic Games, the first appearance of canoe slalom as an Olympic-level sport.
He was later a Coach for the National Team and served on the International Canoe Federation Slalom Committee.
[3] Poenn also worked to establish the Minden White Water Preserve in Ontario, which was used to host events at the 2015 Pan American Games.