Leleu is a French surname. Notable people with the surname include:
- Gérard Leleu
- Guy Leleu
- Jean-François Leleu (1729–1807), French furniture-maker
- Jeanne Leleu
- John Leleu
- Jules Leleu, French furniture designer
- Philippe Leleu, French cyclist
- René Leleu
- Thomas Leleu
- Romain Leleu