The Hawthorne USO Building, at 950 E St. in Hawthorne, Nevada, was built in 1941 as a World War II United Services Organization (USO) social hall. It opened in January 1942. It is a simple 90-by-160-foot (27 m × 49 m) "modified I plan" standard "USO Type D Federal Recreation Building", on Hawthorne's main street.It was listed on the National Register of Historic Places in 2005.