A diesel multiple unit is a diesel-powered, multiple-unit rail vehicle.

DMU may also refer to:

Universities Dalian Maritime University, a university located in Dalian, Liaoning, China De Montfort University, located in the city of Leicester, England Des Moines University, a medical school located in Des Moines, Iowa Divine Mercy University, a university located in Arlington, Virginia Dongyang Mirae University, a university located in Guro District, Seoul, Gocheok-dong

Other Dimapur Airport, (IATA:DMU), an airport in India Decision making unit, in business-to-business sales and marketing (B2B & B2C) Digital mockup, a product visualization method and technology used by engineers 1,1-Dimethylurea, a chemical substance 1,3-Dimethylurea, a chemical substance Drag make-up maneuver, a spacecraft orbital maneuver designed to counteract the effects of atmospheric drag Danmarks Miljøundersøgelser, Danish for National Environmental Research Institute of Denmark