| FNR | Fachagentur Nachwachsende Rohstoffe
| Others |
| FNR | Facility Need Review
| Others |
| FNR | False Negative Rate
| Others |
| FNR | Far Northern Regional
| Others |
| FNR | Fast Network Reads
| Others |
| FNR | Federal Network Resilience
| Others |
| FNR | Ferredoxin NADP Reductase
| Others |
| FNR | File Name Record
| Others |
| FNR | File Number of Record
| Others |
| FNR | Find New Roads
| Others |
| FNR | Finisher
| Others |
| FNR | Flavor No Rind
| Others |
| FNR | Flexibility Not Required
| Others |
| FNR | Flexible Naor and Reingold
| Others |
| FNR | Flexible Numbering Register
| Others |
| FNR | Fonds National de la Recherche
| Others |
| FNR | Football Nation Radio
| Others |
| FNR | For No Reason
| Others |
| FNR | Ford Nuclear Reactor
| Others |
| FNR | Forestry and Natural Resources
| Others |
| FNR | Forestry Natural Resources
| Others |
| FNR | Format and Restore
| Others |
| FNR | Foster and Reed
| Others |
| FNR | Frais de Notaire Reduits
| Others |
| FNR | Frazer Nash Research
| Others |
| FNR | Friday Night Rock
| Others |
| FNR | Fumarate and Nitrate Reductase
| Others |
| FNR | Fumarate Nitrate Reductase
| Others |
| FNR | Funter Bay, Alaska USA
| Others |
| FNR | Future Net Revenue
| Others |