Remsen may refer to:
Places in the United States Remsen, Iowa, a community in Plymouth County Remsen, New York, a town in Oneida County Remsen (village), New York, a village located within the town of Remsen Remsen, New Jersey, a town located in Woodbridge township
People with the surname Bert Remsen (1925–1999), American actor Ira Remsen, the discoverer of saccharin James Van Remsen Jr. (1949–), American ornithologist
See also Remsen Stakes, an American Thoroughbred horse race