MMO
MMO stands for:
- a genre of computer games, see massively multiplayer online game
- a protein complex, see methane monooxygenase
- M MO , Mach Maximum Operating , usually spoken: "Maximum operating Mach Number", see Machmeter
- an association of mathematicians, see Moscow Mathematical Society
- Mannesmann Mobilfunk GmbH, see Vodafone # story
- Operating point abbreviation for the Marktoberdorf train station
mmo stands for:
- Mangga Buang (ISO-639-3 code), one of the Oceanic languages
