Overland Lake is a glacial tarn in the Ruby Mountains of Elko County in the northeastern part of the state of Nevada.

It is located at the head of Overland Canyon at approximately 40°27.6'N and 115°27.4'W, and at an elevation of 9,450 feet (2,880 meters).

It has an area of approximately 15 acres (6.1 hectares), and a depth of up to 55 feet (17 m).

The Ruby Crest National Recreation Trail runs along the eastern shore of the lake.

It was originally named Marian Lake by geologist Clarence King, after his sister, and was the subject of several famous paintings and photographs.