MMR
# MMR

MMR may refer to:

## Science and technology

* MMR vaccine, for measles, mumps and rubella
* DNA mismatch repair, a genetic repair pathway
* Mass miniature radiography, a tuberculosis screening technique
* Maternal mortality ratio, the ratio of the number of maternal deaths during a given time period per 100,000 live births during the same time-period
* Maternal mortality rate, the number of maternal deaths in a population divided by the number of women of reproductive age
* Mean-motion resonance, an interaction between two orbiting bodies
* Mesozoic Marine Revolution, the burst of evolution in the Mesozoic era caused by increased predation pressure
* USNC Micro Modular Reactor (MMR) an advanced nuclear reactor technology.

### Computing

* Meet-me room, a place where networks providers offer interconnectivity to their backbones
* Modified Modified READ, an image compression algorithm
* Multi-master replication, a method of database replication
* Matchmaking rating, a value score given for matchmaking in games

## Arts and entertainment

* Metal Mind Records, a Polish record label
* MetroMedia Radio, a former American radio network
* Mercury Meltdown Remix and Mercury Meltdown Revolution, ports of the 2006 puzzle video game Mercury Meltdown

## Places

* Myanmar (ISO 3166-1 alpha-3 country code)
* Mumbai Metropolitan Region, India

## Other uses

* Merchant Marine Reserve, members of the US Merchant Marine who are also members of the US Navy
* Marine Mammal Regulations, of Canada
* Master of Marketing Research, a business degree
