ALPA or Alpa may refer to:

• Alpa, a formerly Swiss camera design company and manufacturer of 35 mm cameras

• Alpa, Tavas

• Air Line Pilots Association, International

• Arbitrated Loop Physical Address, used in part of some computer systems, e.g. device numbering on Fibre Channel loops

• Alpa, an alternate name of Alope (Ozolian Locris), an ancient city of Greece