WMM

WMM may refer to:
 * Well-Manicured Man, a character in The X-Files
 * West Midlands Metro, a light-rail/tram system in West Midlands, England
 * Wide Mouth Mason, a Canadian blues-rock band
 * Windows Movie Maker, a video editing software package, and file format extension
 * Wi-Fi Multimedia or Wireless Multimedia Extensions (WME), a QoS implementation
 * Women Make Movies, an organization for women film-makers
 * World Magnetic Model, a digital model of the Earth's geomagnetic field
 * World Marathon Majors, championship style marathon competition