Cannon Lake is a lake located in Rice County, Minnesota, United States.

The lake has a surface area of 1,593.22 acres and a maximum depth of 15 feet.

[1] The lake is part of the Cannon River system that starts in Shields Lake, goes through Le Sueur and Rice counties and drains into the Mississippi River.

[2] A survey of the lake in August 2009 showed the most predominant species of fish was the walleye.

The walleyes averaged 7.3 fish per gill net with a mean weight of 2.3 pounds and a mean length of 17.7 inches.