David Sancious (born November 30, 1953 in Asbury Park, New Jersey) is an American musician. He was an early member of Bruce Springsteen's backing group, the E Street Band, and contributed to the first three Springsteen albums, and again on the 1992 album Human Touch. Sancious is a multi-instrumentalist but is best known as a keyboard player and guitarist. He left the E Street Band in 1974 to form his own band, Tone, and released several albums.