RNO
RNO is an abbreviation for:
- Royal Navy of Oman , Royal Omani Navy, see Omani Armed Forces # Naval Forces
- the Rhine-Neckar-Odenwald region
- the Reno Cannon International Airport in Nevada, USA, according to the IATA airport code
- Russian National Orchestra the Russian National Orchestra
- Russko-Nemezki Obmen , in German "German-Russian exchange", a non-profit organization
