DMB may refer to:

• "D.M.B.", a song by ASAP Rocky
• DMB Development, a Limited Liability Corporation based in Scottsdale, Arizona
• DaMarcus Beasley, nicknamed DMB, an American soccer player
• Dave Matthews Band, a U.S. rock band
• Del McCoury Band, a U.S. bluegrass band
• Delaware Memorial Bridge, a set of twin suspension bridges on the Delaware River
• Diamond Mind Baseball, a computer baseball simulation game
• Digital Multimedia Broadcasting, a digital radio transmission technology
• Dimethylbutane (disambiguation)
• Dimethylbutanol
• Dry Matter Basis, a technique of measuring animal feed contents