Cut Knife is a former provincial electoral district for the Legislative Assembly of the province of Saskatchewan, Canada. This constituency was created before the 4th Saskatchewan general election in 1917. Redrawn to include the former district of Lloydminster in 1934, the constituency was renamed "Cut Knife-Lloydminster" in 1964.
This district was dissolved before the 23rd Saskatchewan general election in 1995. It is now part of the Lloydminster and Cut Knife-Turtleford constituencies.