Dean Chynoweth (born October 30, 1968 in Calgary, Alberta) is a retired Canadian defenceman who played in the National Hockey League for the New York Islanders and the Boston Bruins. Drafted 13th overall by the Islanders in the 1987 NHL Entry Draft, Chynoweth played 241 regular season games in 10 NHL seasons, scoring 4 goals and 18 assists for 22 points and clocked up 667 penalty minutes. He was also the head coach of the WHL's Seattle Thunderbirds. He serves as the general manager and head coach for another WHL franchise, the Swift Current Broncos, from 2004 to 2009. Chynoweth is currently an assistant coach with the New York Islanders.