Nils Rosén

Nils Rosén may refer to:
 * Nils Rosén von Rosenstein, professor of medicine at Uppsala University
 * Nils von Rosenstein, son of the previous, first secretary of the Swedish Academy
 * Nils Rosén (footballer), member of the Swedish team at the 1934 FIFA World Cup
 * Nils Rosén (zoologist), Swedish zoologist