US Post Office-Kensington is a historic post office building located at Kensington in Brooklyn, New York, United States. It was built in 1935, and designed by consulting architect Lorimer Rich for the Office of the Supervising Architect. The building is a two story, six bay wide brick building in the Colonial Revival style. For much of its history it was painted white. It features a projecting pedimented wooden portico supported on Doric order piers. It was listed on the National Register of Historic Places in 1988.