DMM
DMM stands for:
- German team championship (athletics)
 - German Medical History Museum in Ingolstadt
 - German Maritime Museum in Stralsund
 - Poet-Musician-Painter-Weg (DMM-Weg), hiking trail in Saxon Switzerland
 - Digital multimeter , an electrotechnical measuring device
 - Dimethoxymethane
 - Direct metal mastering , method of making records, see Record #Making
 - Dammam Airport (IATA code), airport in Saudi Arabia
 
dmm stands for:
- Dama (language) (ISO-639-3 code), one of the Mbum Day languages
 - Dimimeters, corresponding to 10 −4 meters or 0.1 millimeters, see Myria