The former U.S. Post Office-Green River is a Classical Revival architecture building designed by James Wetmore and Thomas Hyrum in Green River, Wyoming that was built in 1931.

It was built under the Elliot Act, a pre-New Deal economic recovery plan.

In 1967, the building was repurposed and is now Sweetwater County Historical Museum.

Its 1997 listing included alternative name Trudel's Restaurante.

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