RMA

RMA may refer to:

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Business and technology

Return merchandise authorization, returning goods to the supplier for repair or replacement
Rogue Music Alliance, American independent record label
Radio Manufacturers Association, standards and trades association from 1924–1950
Regionalmedien Austria, Austrian media company
Reliability, Maintainability, and Availability analysis, in reliability and systems engineering
Relationship Management Application, a service offered by SWIFT
Rate-Monotonic Analysis, the qualitative method used to prepare a system for Rate-monotonic scheduling
U.S. Rubber Manufacturers Association

Randolph-Macon Academy, a preparatory school in Virginia, United States
Rubin Museum of Art, a museum in New York City
Riverside Museum Associates, a non-profit that supports the Riverside Metropolitan Museum, California
Royal Musical Association, British musicological organization

Resource Management Act 1991, an Act of Parliament in New Zealand
Respect for Marriage Act, a 2022 United States federal law that protects same-sex and interracial marriages.
Richmond Metropolitan Authority, an authority in Richmond, Virginia
Regional Mobility Authority, an independent local government transportation agency in the U.S. state of Texas
Risk Management Agency, an agency of the United States Department of Agriculture
Reedley Municipal Airport, a public airport in Reedley, California

Refusal of medical assistance, where a patient or their medical power of attorney refuses treatment or transport to a hospital by emergency medical services.
Registered medical assistant, in jurisdictions where "medical assistant" is a protected title

Rocky Mountain Arsenal, near Denver, Colorado
Royal Marine Artillery, formerly a part of the Royal Marines
Royal Military Academy (disambiguation), several military institutions
Reichsmarineamt, the Admiralty of Imperial Germany's navy (historic)
Revolution in Military Affairs, the recent rapid development of military technology and its corresponding impact on warfare