Gruny may refer to:
- Gruny, Somme, Hauts-de-France, France
- Grúny, also spelled Gruni, Belinț, Romania
- Grúny, also spelled Gruni, Cornereva, Romania
People with the surname
edit- Berta Gruny, mother of Wilhelm Dürr the Younger
- Jim Gruny, commander of Marine Recruit Training Regiment San Diego
- Nadia Gruny (born 1984), American cricket player
- Pascale Gruny (born 1960), French politician