The Loir is a river in France.

Loir may also refer to:

Artists edit

  • Luigi Loir (1845–1916), French painter, illustrator and lithographer, known for ceiling paintings and landscapes
  • Marianne Loir (c.1715–1769), French portrait painter
  • Nicolas-Pierre Loir (1624–1679), French painter and engraver of religious and historical allegories