Cul may refer to:
- Cambridge University Library
- City University London
- Cul de canard, down feathers of a duck
- Cul-de-sac, a short dead-end street
- Cumberland, from its Chapman code
- Czech University of Life Sciences Prague
- Federal de Bachigualato International Airport, (IATA airport code: CUL) in Culiacán, Sinaloa, Mexico