RMR
# RMR

RMR may refer to:

* RMR (revolver), a .357 double-action revolver
* RMR (singer), an American singer and rapper
* RMR layout (of an automobile), see rear mid-engine, rear-wheel-drive layout
* Recife Metropolitan Region in Northeastern Brazil
* Recurring Monthly Revenue, a measure of customer attrition
* Registered Merit Reporter, a certification offered by the National Court Reporters Association
* Reliability Must Run, a contract in an electrical market
* Resting metabolic rate, see basal metabolic rate
* Revelstoke Mountain Resort, a Canadian ski resort located in Revelstoke, British Columbia
* Rick Mercer Report, a Canadian comedy television series
* Robust mouse rejuvenation, rejuvenating an elderly mouse so that its remaining life expectancy is doubled
* Rock mass rating, a rock mass classification system (geotechnical engineering)
* RockMyRun, a running/workout mobile app
* Royal Marines Reserve, the volunteer reserve force used to augment the regular Royal Marines
* The Royal Montreal Regiment, a Canadian Forces infantry regiment based in Montreal
* Ruggedized miniature reflex (optics), a type of weapon-mounted red dot sight for guns
