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

In the UK there was also a brand of dog food called PAL, allegedly an acronym for "Prolongs Active Life".