Masjid Malcolm Shabazz, formerly known as Mosque No. 7, is a Sunni Muslim mosque in Harlem, New York City. It was formerly a Nation of Islam mosque at which Malcolm X preached, until he left it for Sunni Islam in 1964.

Harlem is a neighborhood in Upper Manhattan, New York City. It is bounded roughly by the Hudson River on the west; the Harlem River and 155th Street on the north; Fifth Avenue on the east; and Central Park North on the south. The greater Harlem area encompasses several other neighborhoods and extends west and north to 155th Street, east to the East River, and south to Martin Luther King Jr. Boulevard, Central Park, and East 96th Street.