Francois Clemmons is an American singer, actor, writer and teacher. He is known for his appearances as "Officer Clemmons" on the PBS television series Mister Rogers' Neighborhood from 1968 to 1993.
In 1968, Clemmons won the Metropolitan Opera auditions in Pittsburgh, Pennsylvania. He went to Cleveland, Ohio, where he won a position in the Metropolitan Opera Studio. He sang there professionally for seven seasons, performing over 70 roles with companies including The New York City Opera, Los Angeles Civic Light Opera and Washington Civic Opera.