Wimpy or Wimpey could refer to:
- J. Wellington Wimpy, a hamburger-loving character from the Popeye cartoons
- Wimpy (restaurant), a chain of hamburger restaurants, named after the cartoon character
- Wimpy P-1, the first registered American Quarter Horse
- Luther "Wimpy" Lassiter, a world-class American pool player known throughout his career by the Wimpy nickname
- George Wimpey, a housebuilding company based in England, now part of Taylor Wimpey
- The Vickers Wellington bomber aircraft, commonly known as the "Wimpy" amongst service personnel
- Short for Diary of a Wimpy Kid