Martha Lake

Martha Lake or Lake Martha may be one of several places in the United States:

;Populated place

• Martha Lake, Washington, a census-designated place

;Lakes

• Martha Lake (California), a lake in Kings Canyon National Park
• Martha Lake (Colorado), a lake in Jackson County, Colorado
• Lake Martha (Florida)
• Lake Martha (Minnesota)
• Martha Lake (Montana), a lake in Flathead County, Montana
• Lake Martha (South Dakota)
• Lake Martha (Washington), a lake in Snohomish County, Washington
• Lake Martha (Utah), a lake near the Brighton Ski Resort area of Big Cottonwood Canyon