US Post Office-Rockville Centre is a historic post office building located at Rockville Centre in the town of Hempstead, Nassau County, New York, United States.

It is a one-story building clad with brick and trimmed in limestone in the Colonial Revival style.

It features an Art Deco style grill above the main entrance doors.

The lobby features four irregularly shaped murals by Victor White painted in 1939 of various local historic scenes.

This article about a historic property or district in Nassau County, New York, that is listed on the National Register of Historic Places, is a stub.