Diamond Lake may refer to:

• Diamond Lake (Idaho), a glacial lake in Elmore County, Idaho
• Diamond Lake (Illinois), a lake, neighborhood and school district in Mundelein
• Diamond Lake Township, Dickinson County, Iowa
• Diamond Lake (Cass County, Michigan), Cass County, Michigan
• Diamond Lake (Kandiyohi County, Minnesota)
• Diamond Lake, Minneapolis, a neighborhood in Minneapolis and its namesake lake
• Diamond Lake Township, Minnesota, a township in Lincoln County
• Diamond Lake (Oregon), a lake in the southern part of Oregon
• Diamond Lake (South Dakota), a lake
• Diamond Lake, Washington, and unincorporated community located in Pend Oreille County, Washington
• Various lakes without articles: see List of lakes named Diamond

• Diamond Lake (Ontario), Canada
• At least three lakes in New Zealand: see List of lakes of New Zealand

• Diamond Lake (Greyhawk), a fictional mining town, on a lake of the same name, in the Dungeons and Dragons World of Greyhawk

• Diamond Valley Lake, a reservoir in Southern California

Topics referred to by the same term

This disambiguation page lists articles about distinct geographical locations with the same name.
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