Ditmars may refer to:
People Abram D. Ditmars, two-time mayor of Long Island City in Queens, New York, US Ivan Ditmars, music writer for Let's Make a Deal from 1963 to 1976 Raymond Ditmars (1876–1942), American herpetologist and filmmaker
Places Ditmars, Queens, a neighborhood in the Astoria neighborhood of Queens, New York, US Ditmars Boulevard–Astoria (BMT Astoria Line), a rapid transit station in New York City Ditmars Boulevard (formerly Ditmars Avenue), a street in New York City
See also Dietmar, a given name Ditmar (disambiguation) Dittmar, a surname