"Don't Look Back" is a single by the American rock band Boston. It reached #4 on the Billboard Hot 100 in 1978. It is the title track to their second album, Don't Look Back.
The song was used in the pilot episode of the ABC drama series October Road, which aired on March 15, 2007, around a week after the death of Brad Delp.
A small clip of the song was played at the end of season two of Supernatural when Dean and Sam Winchester drive off in Dean's black Impala.
The song was performed by the remaining original members of Boston on August 19, 2007 at the Bank of America Pavilion in Boston, Mass. for the tribute concert to Brad Delp. It was the last song of the concert.