RMA
RMA stands for:
- Radio Manufacturers Association , American standards association, see Electronic Industries Alliance
- Smoke alarm system , see fire alarm
- Regionalmedien Austria , an Austrian media company
- Imperial Navy Office of the German Empire
- Relative market share , a business figure
- Return Merchandise Authorization , see return number
- Revolution in Military Affairs , a term used in military theory
- Riley RMA , a historic automobile, see Riley RM #Riley RMA
- RMA Rheinau (formerly Rheinauer Maschinen- und Armaturenbau ), a German mechanical engineering company
- Royal Malta Artillery , a former association of the British Armed Forces
- Royal Military Academy Woolwich , a former British military academy
- Mannheim-Rheinau train station (DS100 code)
- Roma Airport (IATA code), Roma Airport ( Queensland) , Queensland
rma stands for:
- Rama (language) (ISO-639-3 code), language of the Rama (people) of Nicaragua