Sylvia Marlowe (b. New York, September 26, 1908; died December 11, 1981) was an American harpsichordist. She performed both the Baroque repertoire as well as contemporary compositions by composers such as Alan Hovhaness.
In 1957 she founded the Harpsichord Music Society, Inc. to promote new works for harpsichord and award scholarships for the advanced study of harpsichord and its repertoire. Composers commissioned by the society include Elliott Carter, Ned Rorem, Vittorio Rieti and Henri Sauguet.