| Acronym | Definition |
|---|
| IBFN➣International Big Fish Network |
| IBFN➣Integriertes BreitbandFernmeldeNetz |
| IBFN➣Iowa Bass Federation Nation (fishing tournament) |
| IBFN➣Indian Brook First Nation (native tribe; Canada) |
| IBFN➣In Business for Neighbourhoods (UK) |
| IBFN➣Initiative on Biodiversity for Food and Nutrition (UN Food and Agriculture Organization) |