| OPFA | Faisalabad Airport / Air Base, Pakistan 
| Others |
| OPFA | Ocular Projection and Focal Adapter
| Others |
| OPFA | Office of the Pension Funds Adjudicator
| Others |
| OPFA | Ontario Police Fitness Award
| Others |
| OPFA | Ontario Professional Foresters Association
| Others |
| OPFA | Ontario Professional Foresters' Association
| Others |
| OPFA | Opposition Personal Funds Amount
| Others |
| OPFA | Order Preserving Factor Analysis
| Others |
| OPFA | Ordered Preferred First Algorithm
| Others |
| OPFA | Oregon Pacific Financial Advisors
| Others |
| OPFA | Outback Parents and Friends Association
| Others |
| OPFA | Oxfordshire Playing Fields Association
| Others |