Robert Sisk (March 20, 1903 – February 25, 1964) was an American film producer.
Sources differ as to his birthplace, with some indicating Maryland and others specifying the unincorporated village of Pokeshaw in the Canadian province of New Brunswick. In the late 1930s he made a number of movies with John Farrow at RKO including Five Came Back (1939).
He later worked at MGM and produced for TV.
His wife died in 1957. They had one daughter. Sisk died in Los Angeles four weeks before his 61st birthday.