RN

"RN" (ISSN|0033-7021) is a journal for registered nurses.

RN may stand for:
* Registered Nurse
* Royal Navy
* Radio National, an Australia-wide radio network broadcast by the Australian Broadcasting Corporation
* Radio Nederland
* Registered Identification Number, a number issued by the Federal Trade Commission, used on clothing tags and labels
* Renovación Nacional ("National Renewal"), a Chilean political party of the center-right

RN is the code for:

* Rio Grande do Norte (ISO 3166-2:BR code: RN), a state in Brazil
* Air Horizons (IATA code: RN), an airline based in Paris, France
* Route Nationale (France), trunk road
* Province of Rimini (ISO 3166-2:IT code: RN), a province in the Emilia-Romagna region of Italy

Rn may stand for:
* Radon (chemical symbol: Rn), a chemical element with the atomic number 86

rn may stand for:
* rn (newsreader), a unix Usenet news client
* reference noise