1600 Pennsylvania Avenue is a 1976 musical with music by Leonard Bernstein and book and lyrics by Alan Jay Lerner. It is considered to be a legendary Broadway flop, running only seven performances. It was Bernstein's last original score for Broadway.

Alan Jay Lerner was an American lyricist and librettist. In collaboration with Frederick Loewe, and later Burton Lane, he created some of the world's most popular and enduring works of musical theatre both for the stage and on film. Lerner won three Tony Awards and three Academy Awards, among other honors.