| Acronym | Definition |
|---|
| OPL➣Ottawa Public Library (Ottawa, Ontario, Canada) |
| OPL➣Open Programming Language |
| OPL➣Operator Plmn List |
| OPL➣Open Content License |
| OPL➣outer plexiform layer |
| OPL➣Open Publication License |
| OPL➣On-Premise Laundry |
| OPL➣Odisha Premier League (Indian cricket league) |
| OPL➣Opinion Leader |
| OPL➣Optical Path Length |
| OPL➣One Planet Living (global initiative) |
| OPL➣Open Publishing Lab |
| OPL➣Off Port Limit (shipping industry) |
| OPL➣Oceanside Public Library (various locations) |
| OPL➣Office of Public Liaison |
| OPL➣Organiser Programming Language (PSION) |
| OPL➣Overhead Power Line (electric power transmission) |
| OPL➣Outpost Line (US Navy) |
| OPL➣Open Public License |
| OPL➣Other Party Liability (insurance) |
| OPL➣Output Protection Limiting (audio equipment) |
| OPL➣Optics and Photonics Letters (journal) |
| OPL➣One Point Lesson |
| OPL➣Operations Log (oil exploration) |
| OPL➣OpenContent Licence |
| OPL➣One Person Librarian |
| OPL➣FM Operator Type-L (audio synthesiser chip) |
| OPL➣Over Prescribed Limit (drunk driving) |
| OPL➣Office of Public Leadership (University of Illinois) |
| OPL➣Oil Prospecting Lease |
| OPL➣Order of Preachers Layperson (Roman Catholicism; Dominican) |
| OPL➣Outer Port Limit (shipping) |
| OPL➣Olympus Product Line (Sun) |
| OPL➣Operating Parameter Limit |
| OPL➣Office of Policy and Legislation (US) |
| OPL➣Operator Performance Lab (University of Iowa Engineering Research Laboratory) |
| OPL➣Optical Power Limiter (Delaire) |
| OPL➣Oxford Property Lettings (Dublin, Ireland) |
| OPL➣Òganizasyon Pèp K ap Lite (Bangla: Struggling People's Organization, Haiti) |
| OPL➣One Percent Living |
| OPL➣Outside Plant Loss (Lucent) |
| OPL➣Oil Publications Limited |
| OPL➣Ohio Pink Ladies (Toledo, OH) |
| OPL➣optional port of loading |
| OPL➣Officer Processing Lead (US DoD) |
| OPL➣Organic Pure Life (New York, NY) |
| OPL➣Outer Physical Layer |