Rasmus Nielsen

Rasmus Nielsen may refer to:


 * Rasmus Nielsen (footballer) (born 1987), Danish footballer
 * Rasmus Nielsen (volleyballer) (born 1994), Danish volleyballer
 * Rasmus Nielsen (ice hockey) (born 1990), Danish ice hockey player
 * Rasmus Nielsen (squash player) (born 1983), Danish squash player
 * Rasmus Nielsen (philosopher) (1809–1884), Danish philosopher and professor
 * Rasmus Nielsen (biologist) (born 1970), professor of integrative biology at UC Berkeley
 * Rasmus Kleis Nielsen, professor of political communication