- CALF stands for Comprehensive Agricultural Loan Fund (Philippines)
- CALF stands for Computer Assisted Learning Facility (various locations)
- CALF stands for Common Affordable Lightweight Fighter
- CALF stands for Carol Anne Letheren Foundation (women’s sport scholarship program; Toronto, Canada)
- CALF stands for Centre d’Apprentissage de la Langue Française (French: French Language Learning Center)
- CALF stands for Capital Area Local First (Michigan)
- CALF stands for Chart Amendment Low Flying (aviation; various nations)
- CALF stands for Campaign Against Live Freight
CALF