The Calgary Vipers were a professional baseball team based in Calgary, Alberta, Canada. They were part of the Western Division of the independent North American League. The Vipers have played all of their home games at Foothills Stadium. Previously, the Vipers played in the Northern League from 2005 to 2007. The Vipers were champions of the Golden Baseball League in 2009, having defeated the Tucson Toros in the Championship Series.
Management problems surfaced just prior to the end of the 2011 season. By the end of the 2011 Season, it became apparent that the Vipers were financially moribund, and would not be back for 2012.