Marcus Rojas (born February 23, 1963 in Brooklyn, New York) is a tubist from New York City, best known for his work in jazz. He is a graduate of New York City's Fiorello H. LaGuardia High School of Music & Art and Performing Arts and holds a B.M. degree (with distinction) from the New England Conservatory of Music. He teaches at New York University, the State University of New York at Purchase, Brooklyn College, and the Manhattan School of Music Pre-college Division.