FONC
| Acronym | Definition |
|---|---|
| FONC | First Order Necessary Conditions |
| FONC | Friends of Nunhead Cemetery (London, England, UK) |
| FONC | Flags of Non Compliance (fishing management and conservation laws evasion tactics) |
| FONC | Friends of Newton Centre (Massachusetts) |
| FONC | Friends of the Nature Center (Texas) |