The U.S. Post Office and Courthouse in Lander, Wyoming was built in 1907 as part of a facilities improvement program by the United States Post Office Department.

The post office in Lander was nominated to the National Register of Historic Places as part of a thematic study comprising twelve Wyoming post offices built to standardized USPO plans in the early twentieth century.

Lander's post office is unique among the group because it incorporates court facilities.

[2] The building is now used as offices for a rehabilitation and disabilities advocacy group.

This article about a property in Wyoming on the National Register of Historic Places is a stub.