| Acronym | Definition |
|---|
| OPFA➣Ontario Professional Foresters Association |
| OPFA➣One Parent Families Association |
| OPFA➣Opposition Personal Funds Amount (US Federal Election Commission) |
| OPFA➣Oxfordshire Playing Fields Association (UK) |
| OPFA➣One Parent Family Association |
| OPFA➣Ontario Professional Firefighters Association (Canada) |
| OPFA➣On Pourrait Faire Autrement |
| OPFA➣Oregon Pacific Financial Advisors, Inc. |
| OPFA➣Ordered Preferred First Algorithm |
| OPFA➣Outback Parents and Friends Association (Australia) |
| OPFA➣Ontario Police Fitness Award (Canada) |