CLM
- CLM P1/01
- Canadian Line Materials
- Castilla–La Mancha
- Channel length modulation
- Christian Life Movement
- Closed-loop manufacturing
- Codex latinus monacensis
- Colin Lester
- Collective Labor Movement
- Collingham railway station
- Colombia
- Common Lisp Music
- Configuration lifecycle management
- Conservation of linear momentum
- Contract lifecycle management
- Customer lifecycle management
- Cutaneous larva migrans
- International Federation of Library Associations and Institutions
- Olympic Delivery Authority
- William R. Fairchild International Airport