RNI
The abbreviation RNI stands for:
- the former pirate station Radio Nordsee International
- DB RegioNetz Infrastruktur GmbH, see RegioNetz
- specially protected reserves "Réserves Naturelles Intégrales", s. National parks in Madagascar
RNI as a distinguishing mark on license plates:
- Poland: Powiat Niżański in Subcarpathian Voivodeship
