NMM may refer to: * FAA Location identifier for Naval Air Station Meridian * Prefix for Italian ships in the Marina Militare

Organisations

* National Minority Movement, a British organisation which attempted to organise a united front with the existing trade unions * Navi Mumbai Metro, India * Nikhil Manipuri Mahasabha, a Hindu nationalist political party

Museums

* National Music Museum, a musical instrument museum in Vermillion, South Dakota * National Maritime Museum in Greenwich, England * National Media Museum in Bradford, England

Science and technology

* Nonhydrostatic Mesoscale Model, used by the Weather Research and Forecasting model, WRF * Network-Integrated Multimedia Middleware, a multimedia framework

Chemicals

* N-Methylmorpholine, an organic base in chemistry * ''N''-methyl mesoporphyrin IX, a hemin-related porphyrin * N-Methylmaleimide, ''N''-Methylmaleimide, an organic compound {{disambiguation