Doremus is a surname. Notable people with the surname include:

Benoît Dorémus (born 1980), French singer-songwriter David Doremus (born 1957), American television actor Frank Ellsworth Doremus (1865–1947), politician Franklin Pierce Doremus (1852–1944), American vegetarianism activist Henry Meade Doremus, Mayor of Newark, New Jersey John Doremus (1931–1995), American radio personality Sarah Platt Doremus (1802–1877), New York City philanthropist Robert Ogden Doremus (1824–1906), United States chemist and physician, son of Sarah Platt Doremus Charles Avery Doremus (1851–1925), United States chemist, son of Robert Ogden Doremus Louis Doremus Huntoon (1869–1937), American mining engineer Drake Doremus (born 1983), American film director and screenwriter Estelle Skidmore Doremus (1830–1905), New York City philanthropist

See also Doremus & Co., advertising agency