Samuel Marcus Adler (1898 New York City - 1979 New York City) was an American artist. He studied at the National Academy of Design, with Leon Kroll and Charles Hinton. He was Professor of Art at New York University, and the University of Illinois. He was visiting professor at the University of Georgia.
His work was at the Art Institute of Chicago, Corcoran Gallery of Art, Metropolitan Museum of Art, and Whitney Museum. His work is in the Smithsonian American Art Museum. His papers are held at the Archives of American Art.