Doremus may refer to:
- Doremus & Co., advertising agency
- Benoît Dorémus (born 1980), French singer-songwriter
- David Doremus (born 1957), California businessman
- Frank Ellsworth Doremus (1865-1947), politician
- 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 screen writer