FRN
The abbreviation FRN stands for:
- Federal Reserve Note , a US Federal Reserve banknote
- Federal Republic of Nigeria , see Nigeria , a federal state in West Africa
- Floating Rate Note , a floating rate bond, see Floater
- Neuherberg research reactor , a former nuclear reactor operated by the Society for Radiation Research
- the IATA airport code of Fort Richardson (Anchorage) , AK, USA
- French language , SIL code
- Free Radio Network , a Voice over IP application for CB radio and Private Mobile Radio
- the AMEX ticker symbol of the Friendly Ice Cream Corporation
FR-N stands for:
- Midi-Pyrénées , former ISO-3166-2 code of a French region
