OAL
OAL is an abbreviation for:
- Object Action Language, a text-based form of notation for UML Actions
- Olympic Air, a Greek airline based in Athens, the successor company of Olympic Airlines, which was acquired including the name and landing rights in 2009 after the ICAO code
- Open Audio License, a music rights license from the Electronic Frontier Foundation, which grants use and distribution rights on a very large scale and distribution to promote free music
- Over All Length, technical ( construction area) for the total length
OAL as distinguishing signs on license plate:
- Germany: Ostallgäu
- Disambiguation
- Abbreviation