| 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) |