List of Acronyms and Initialisms: R - RM

RM

• RM – see separate disambiguation page
• rm – (s) Raeto-Romansh language (ISO 639-1 code)
• RMA – (i) Return Mailing Authorization – Revolution in Military Affairs – Rachel McAdams
• RMC – (i) Robert Menzies College
• RMC – (ii) Royal Military College (Australia, Canada, UK)
• RMDA – (i) Records Management and Declassification Agency
• RMP – (i) Recognised Maritime Picture
• RMS – (i) Rate-Monotonic Scheduling – Richard M. Stallman – Root-Mean-Square – Royal Mail Ship (e.g. RMS Titanic)