MMR may refer to:
Science and technology
edit- MMR vaccine, for measles, mumps and rubella
- DNA mismatch repair, a genetic repair pathway
- Mass miniature radiography, a tuberculosis screening technique
- Maternal mortality ratio
- Maternal mortality rate
- Mean-motion resonance, between two orbiting bodies
- Mesozoic Marine Revolution, a burst of evolution
Computing
edit- Meet-me room, where telecoms companies can communicate
- Modified Modified READ, Group 4 compression
- Matchmaking rating, in video games
Places
edit- Myanmar (ISO 3166-1 alpha-3 country code)
- Mumbai Metropolitan Region, India
Other uses
edit- Marine Mammal Regulations, of Canada
- Master of Marketing Research, a business degree
- Middle Gorge railway station, Melbourne