KLA may refer to:
Military
- Korean Liberation Army, created in 1940
- Kosovo Liberation Army, Kosovo-Albanian insurgent organization
- Khalistan Liberation Army, a pro-Khalistan (Sikh separatist) militant group in India
Organizations
- Kansas Library Association
- Kentucky Library Association
- Kerala Library Association
- Kerala Legislative Assembly
- KLA Corporation, semiconductor equipment company
Other
- Kampala Airport, Uganda - IATA code
- Klamath-Modoc language, ISO 639-3 code kla