KFN
| Acronym | Definition |
|---|---|
| KFN | Kriminologisches Forschungsinstitut Niedersachsen (German: Criminology Research Institute; Germany) |
| KFN | Komitee Forschung Naturmedizin eV |
| KFN | Kluane First Nation (Canada) |
| KFN | Kingston Field Naturalists (Ontario, Canada) |
| KFN | Kantoren Fonds Nederland (Dutch: Netherlands Office Fund) |
| KFN | Kieleckiego Festiwalu Nauki (Polish: Kielce Science Festival; est. 2000; Poland) |
| KFN | Killi Fish Nederland (Dutch killi fish association) |