MM or Mm or mm can mean or be an abbreviation for:
Military:
Commerce:
- Million, in traditional accounting or investment banking
- Minute Maid, a brand of orange juice and other beverages
- MM, a Bulgarian brand of cigarettes
- MM, a beer produced in the city of Varna, Bulgaria
- MM, the IATA code of Euroatlantic Airways
- M&M's, a brand of chocolates
- Moderation Management
- Money Market, an area of investment banking and corporate finance
- Myrtle Madness, the largest American national Ford Probe and Mazda MX-6 owners' gathering, held every November in Myrtle Beach, South Carolina
Scientific, Computing and engineering:
Medicine:
- Materia Medica, a homoeopathic guide organised alphabetically by remedy rather than by symptom
- Maximum Medicine
- Modern Medicine
- Multimedia Medicine
- Multiple Myeloma
- My Medicine
Arts and entertainment:
Education:
Gaming:
