Wall Lake is an unincorporated community and census-designated place (CDP) in LaGrange and Steuben counties, Indiana, United States.

[2] The community is mostly in northeastern LaGrange County, surrounding the natural water body of Wall Lake.

The community and lake are 1 mile (1.6 km) west of Orland and 16 miles (26 km) northeast of LaGrange, the LaGrange county seat.

The Michigan state line is 2 miles (3 km) to the north.

The lake system drains north to the Fawn River, a northwest-flowing tributary of the St. Joseph River leading to Lake Michigan.