| Acronym | Definition |
|---|
| OAL | Office of Administrative Law |
| OAL | Overall Length (see LOA) |
| OAL | Obey All Laws (various locations) |
| OAL | Office of Acquisition and Logistics (US VA) |
| OAL | Orthopedic Associates of Lancaster (Lancaster, PA) |
| OAL | Optimized Acl Logging |
| OAL | Oem Adaptation Layer |
| OAL | Open Audio License (EFF) |
| OAL | Other Airline |
| OAL | Open Air Laboratory |
| OAL | Observatório Astronómico de Lisboa (Portugese: Lisbon Astronomical Observatory) |
| OAL | Overactive Let-Down (breastfeeding) |
| OAL | Ordinary Adoption Leave (UK) |
| OAL | Open Access Lab (various universities) |
| OAL | Offline Address List (Microsoft Outlook) |
| OAL | Open Audio Library |
| OAL | Orico Auto Leasing (Japan) |
| OAL | Olympic Airways Greece (ICAO code) |
| OAL | Optimized ACL Logging (Cisco) |
| OAL | Optical Array Logic |
| OAL | Ost Allgäu (region in Germany) |
| OAL | Organización Anarquista Libertad (Spanish; Anarchist Freedom Organization, Argentina) |
| OAL | Open Access Leiden (Netherlands) |
| OAL | Order, Algebra and Logics (conference) |
| OAL | Operations Acceptance Letter (UK project management) |