Dave Matthews Band (also known as DMB) is an American rock band from Charlottesville, Virginia. The band's lineup consists of Dave Matthews (lead vocals, guitar), Stefan Lessard (bass), Carter Beauford (drums), Tim Reynolds (lead guitar), Rashawn Ross (trumpet, percussion), Jeff Coffin (saxophones), and Buddy Strong (keyboards). Matthews, Lessard, and Beauford formed the band in 1991 with LeRoi Moore (saxophones), Peter Griesar (keyboards), and Boyd Tinsley (violin, backing vocals). After one independent live album, the band was signed by RCA Records and Griesar left the band to pursue a solo career.

The band's 1994 debut studio album, Under the Table and Dreaming, was certified six times platinum. 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 Performance by a Duo or Group with Vocal for "So Much to Say". Dave Matthews Band was inducted into the Rock and Roll Hall of Fame in 2024.

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.