Rasmus is a shortened form of "Erasmus", a name which means "beloved" and was the name of Saint Erasmus of Formia. It is a common male name in the Nordic countries (including Estonia).
Notable people with the given name Rasmus include:
Rasmus B. Anderson (1846–1936), American author, professor, and diplomat
Rasmus Andersson, Swedish ice hockey player for the Calgary Flames
Rasmus Bach (born 1995), Danish basketball player
Rasmus Bille Bahncke, Danish songwriter, record producer and musician
Rasmus Bartholin (1625–1698) (Latinized Erasmus Bartholinus), Danish scientist and physician
Rasmus Bengtsson, Swedish football player
Rasmus Bengtsson (ice hockey), Swedish ice hockey player
Rasmus Bertelsen (born 1983), Danish association football manager
Rasmus Bjerg, Danish actor
Rasmus Boysen (born 1992), Danish handball player
Rasmus Christensen (born 1991), Danish football player
Rasmus Christiansen (actor), Danish actor
Rasmus Dahlin, Swedish ice hockey player for the Buffalo Sabres
Rasmus Daugaard, Danish football player
Rasmus Edstrom, Swedish ice hockey player
Rasmus Elfström (born 1997), Swedish politician
Rasmus Elm, Swedish football player
Rasmus Faber, Swedish music artist
Rasmus Falk, Danish footballer
Rasmus Festersen, Danish football player
Rasmus Fleischer, Swedish historian, musician, freelance journalist
Rasmus Flo (1851–1905), Norwegian teacher, philologist, magazine editor, translator and proponent for Nynorsk language
Rasmus Frandsen (1886–1974), Danish rower
Rasmus Green (1980–2006), Danish football player
Rasmus Hansen (footballer born 1979), Danish football player
Rasmus Hansen (gymnast) (1885–1967), Danish gymnast
Rasmus Hansen (politician) (1797–1860s), Norwegian jurist and politician
Rasmus Grønborg Hansen, Danish football player
Rasmus Quist Hansen, Danish rower
Rasmus Harboe (1868–1952), Danish sculptor
Rasmus Hardiker, English actor
Rasmus Hatledal (1885–1963), Norwegian topographer and military officer
Rasmus Henning, Danish triathlon athlete
Rasmus Højgaard (born 2001), Danish golfer
Rasmus Højlund (born 2003), Danish footballer
Rasmus Holten (born 2005), Norwegian footballer
Rasmus Jensen (priest) (d. 1620), Danish Lutheran priest and the first Lutheran cleric in Canada
Rasmus Jensen (speedway rider) (born 1993), Danish motorcycle rider
Rasmus Jönsson, Swedish football player
Rasmus Wejnold Jørgensen (born 1989), Danish pole vaulter
Rasmus Kaljujärv, Estonian actor
Rasmus Katholm, Danish football player
Rasmus Kofoed, Danish chef and restaurateur
Rasmus Kofoed (cricketer), Danish cricketer
Rasmus Kupari, Finnish hockey player
Rasmus Olsen Langeland (1873–1954), Norwegian politician and minister
Rasmus Lerdorf, Greenlandic-Danish programmer and creator of the PHP programming language
Rasmus Lindgren, Swedish football player
Rasmus Løland (1861–1907), Norwegian journalist, novelist and children's writer
Rasmus Lyberth, Greenlandic singer, songwriter and actor
Rasmus Vestergaard Madsen (born 1991), Danish politician
Rasmus Malling-Hansen (1835–1890), Danish inventor, minister and principal at the Royal Institute for the Deaf, and one of the true pioneers of the 19th century
Rasmus Marvits, Danish football player
Rasmus Midgett (1851–1926), US Life-Saving Service surfman in North Carolina who single-handedly rescued ten men from the sinking barkentine Priscilla
Rasmus Olai Mortensen (1869–1934), Norwegian politician and minister
Rasmus Mägi, Estonian hurdler
Rasmus Nielsen (disambiguation)
Rasmus Tønder Nissen (1822–1882), Norwegian politician
Rasmus Nøhr, Danish musician and guitarist
Rasmus Nordbø (1915–1983), Norwegian administrator and minister
Rasmus Helveg Petersen (born 1968), Danish politician
Rasmus Peetson (born 1995), Estonian footballer
Rasmus Pettersen, Norwegian gymnast
Rasmus Quaade, Danish road and track bicycle racer
Rasmus Rändvee (born 1995), Estonian singer
Rasmus Christian Rask (1787–1832), Danish scholar and philologist
Rasmus Rasmussen (disambiguation), several people
Rasmus Ristolainen, Finnish ice hockey player for the Philadelphia Flyers
Rasmus Roosleht (born 2002), Estonian decathlete
Rasmus Sandin, Swedish ice hockey player for the Washington Capitals
Rasmus Lauge Schmidt, Danish handball player
Rasmus Schüller (born 1991), Finnish football player
Rasmus Seebach, Danish singer songwriter
Rasmus Sindre (1859–1908), Norwegian newspaper editor and politician
Rasmus Sjöstedt, Swedish football player
Rasmus Skylstad (1893–1972), Norwegian diplomat
Rasmus Carl Stæger (1800–1875), Danish entomologist
Rasmus Steinsvik (1863–1913), Norwegian writer, magazine editor and newspaper editor
Rasmus Stjerne, Danish curler
Rasmus Svane (born 1997), German chess grandmaster
Rasmus Thude, Danish singer and songwriter
Rasmus Andreas Torset (1897–1965), Norwegian politician
Rasmus Videbæk, Danish cinematographer
Rasmus Vöge (born 1979), German politician
Rasmus Wengberg, Swedish badminton player
Rasmus Borregaard Winther, Danish League of Legends e-sport player
Rasmus Würtz, Danish football player