Rasmus may refer to:
People Rasmus (given name) Rasmus (surname)
Arts and entertainment The Rasmus, a Finnish rock band formerly called Rasmus The Rasmus (album), a self-titled studio album by the Finnish band the title character of Rasmus Klump, a Danish comic strip series Rasmus, a character in books by Swedish author Astrid Lindgren
Places Rasmus, Michigan, an unincorporated community
See also Rasmussen ("Rasmus' Son"), family name derived from "Rasmus" Erasmus (disambiguation)