en MMM

Mmm or MMM may refer to:

Organizations

3M (NYSE: MMM), a US company
MMM (Ponzi scheme), a Russian company 1989-1994
- MMM Global, a relaunch of the MMM Ponzi scheme in 2011
Everybody's Hungary Movement (Hungarian: Mindenki Magyarországa Mozgalom; MMM), a political movement established in 2018
Maison Margiela, a French luxury fashion house formerly known as Maison Martin Margiela (MMM)
Mauritian Militant Movement, a political party
Messner Mountain Museum
MigratieMuseumMigration, Belgian migration museum
Morgan-McClure Motorsports, a defunct NASCAR team
Mysteria Mystica Maxima (M∴M∴M∴), an occult organization

Triple M (MMM), radio network in Australia
- Triple M Sydney (2MMM; aka MMM), radio station in Sydney, Australia; the origin of the radio network
WMMM, callsign MMM in region W
- WMMM-FM ("105-5 Triple M"), a radio station in Madison, Wisconsin, USA
- WMMM-AM, former callsign for WSHU (AM), a radio station in Westport, Connecticut, USA
KMMM, callsign MMM in region K
- KMMM-AM, an AM radio station in Pratt, Kansas, USA
- KMMM-FM, former callsign for KHTT, an FM radio station in Tulsa, Oklahoma, USA

Masticatory muscle myositis; a canine disease of the jaw
Mesoscale and microscale meteorology, weather systems smaller than synoptic scale
Moon Mineralogy Mapper, NASA's Moon imaging spectrometer onboard Chandrayaan-1
Myelofibrosis with myeloid metaplasia, a disease of bone marrow

MMM, the production code for the 1972 Doctor Who serial The Curse of Peladon

The number 3000, in Roman numerals
Marketing mix modeling, a method of statistical analysis
Order of Military Merit (Canada), a Canadian military honour for merit
Metropolitan Methodist Mission, a large church of the Rocky River Conference of the Methodist Episcopal Church
Middlemount Airport, Queensland, Australia, IATA code MMM
Military Merit Medal (South Africa)
Mixed-member majoritarian representation
Mariannette Miller-Meeks (born 1955), Iowa politician