Rasmus is a surname. Notable people with the surname include:
Claire Rasmus (born 1996), American swimmer Colby Rasmus (born 1986), American baseball player Cory Rasmus (born 1987), American baseball player Hans Rasmus Hansen (1896–1971), Danish politician Ingolf E. Rasmus (1906–1996), American lawyer and politician Pete Rasmus (1906–1975), American discus thrower
See also Rasmussen Rasmusson