PAL is a TLA that may stand for:
- PAL (Phase Alternating Line, a television signal encoding system)
- Paradox Application Language
- Parcel airlift
- Parents Against Leukaemia
- Peninsula Athletic League
- Permissive Action Link (security device for nuclear weapons)
- Philippine Airlines
- Platform Adaptation Layer
- Police activities league
- Police athletic league
- Polyanaline
- Positron annihilation lifetime
- Power assisted lipoplasty
- Pressure acid leach
- Process asset library
- Processor abstraction layer
- Programmable array logic
- Public Ada Library
- Purdue AirLink