The Clifton Merriman Post Office Building, also known as the U.S. Post Office-Central Square is an historic post office at 770 Massachusetts Avenue within Central Square in Cambridge, Massachusetts.

The post office was built in 1933 and added to the National Register of Historic Places in 1986 as "U.S. Post Office-Central Square". In 1992, the United States Congress passed a bill renaming it for Clifton Merriman, an African-American World War I veteran who later became assistant superintendent of the main Post Office in Cambridge.

• National Register of Historic Places listings in Cambridge, Massachusetts
• List of United States post offices

• Media related to Central Square Post Office (Cambridge, Massachusetts) at Wikimedia Commons