ONFA
| Acronym | Definition |
|---|---|
| ONFA | Ontario Nuclear Funds Agreement |
| ONFA | Orkney Norway Friendship Association (Orkney Islands, Scotland) |
| ONFA | Ocala National Forest Association (Florida, USA) |
| ONFA | Ontario North Fishing Adventures (Ontario, Canada) |
| ONFA | Other Net Foreign Assets |
| ONFA | Overall New Funds Account |
| ONFA | Oncopeltus Fasciatus |
| ONFA | Of No Fixed Abode |
| ONFA | Opera Nazionale Figli Aviatori |