Dave Matthews Band (also known as DMB) is an American rock band formed in Charlottesville, Virginia, in 1991. The band's founding members are singer-songwriter and guitarist Dave Matthews, bassist Stefan Lessard, drummer and backing vocalist Carter Beauford, violinist and backing vocalist Boyd Tinsley, and saxophonist LeRoi Moore. As of 2024, Matthews, Lessard, and Beauford are the only remaining founding members.

Dave Matthews Band's 1994 major label debut album, Under the Table and Dreaming, was certified platinum six times. As of 2018, the band had sold more than 25 million concert tickets and a combined total of 38 million CDs and DVDs. Their 2018 album, Come Tomorrow, debuted at No. 1 on the Billboard 200, making DMB the first band to have seven consecutive studio albums debut at the peak. The band won the 1996 Grammy Award for Best Rock Vocal Performance by a Duo or Group for "So Much to Say". In 2024, the Dave Matthews Band were selected for induction into the Rock and Roll Hall of Fame.

A jam band, Dave Matthews Band is renowned for its live shows. The band is known for playing songs differently in each performance; this practice has become a staple of their live shows.