Meacham Lake is a 1,203-acre (4.87 km2) lake eight miles north of Paul Smiths in Franklin County, New York in the Adirondack Park.

There is a campground operated by the New York State Department of Environmental Conservation at the north end of the lake.

Fish include northern pike, yellow perch, and bullhead.

The Osgood River, flowing north out of Osgood Pond is the principal source of Meacham Lake; it is drained by the East Branch of the St. Regis River.

The lake was originally discovered by the late Thomas Meacham.