Gruter or Grüter is a surname. It may refer to:
Gruter
edit- Jan Gruter or Gruytère, Latinized as Janus Gruterus (1560–1627), Flemish-born philologist, scholar, and librarian
Grüter
edit- Thomas Grüter (born 1966), Swiss footballer
- Franz Grüter (born 1963), Swiss businessman and politician