| OPLA | Lahore Airport / Air Base, Pakistan 
| Others |
| OPLA | Office of Patent Legal Administration
| Others |
| OPLA | Office of Policy and Legal Analysis
| Others |
| OPLA | Office of Public and Legislative Affairs
| Others |
| OPLA | Office of the Principal Legal Advisor
| Others |
| OPLA | Offshore Pollution Liability Agreement
| Others |
| OPLA | on-Screen Product License Agreement
| Others |
| OPLA | Ontario Public Library Association
| Others |
| OPLA | Oracle Product Lifecycle Analytics
| Others |
| OPLA | Oregon Patent Law Association
| Others |
| OPLA | Out of Plane Large Amplitude
| Others |
| OPLA | Ozark Professional Locksmiths Association (Little Rock, Arkansas)
| Others |