Derek Haas (born May 1, 1955) is a Canadian retired professional ice hockey centre who played 30 games in the World Hockey Association with the Calgary Cowboys during the 1975–76 WHA season.

[1] Haas was born in Trail, British Columbia.

[2] He played junior hockey with the Victoria Cougars during the 1973–1974 season.

[3] From 1982 to 1995, Haas played in the Ligue Magnus in France and became a French citizen as a result, playing for the country in the 1988 Winter Olympics.

[4] This biographical article relating to a Canadian ice hockey player is a stub.