IBFN
| 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) |