DMM

DMM may refer to:

Businesses

 * DMM Corporation (Digital Media Mart), a Japanese company which sold video games including eroge
 * DMM.com, its later incarnation
 * DMM Wales, a Welsh manufacturer of rock-climbing equipment

Science and technology

 * Digital multimeter, a multi-functional electronic measuring instrument
 * Digital Molecular Matter, a computer game physics engine developed by Pixelux
 * Direct metal mastering, a vinyl record manufacturing technology by Teldec
 * Disease Models & Mechanisms, a journal by the Company of Biologists
 * Dynamic-maturational model of attachment and adaptation, a transdisciplinary model describing relationship dynamics and attachment theory

Other uses

 * Daniel Martin Moore, American singer
 * Domestic Mail Manual, a U.S. Postal Service guide
 * King Fahd International Airport (IATA code: DMM), Dammam, Saudi Arabia
 * Project DMM, a Japanese music group whose work is used on TV shows