Quadrophenia is the sixth studio album by the English rock band the Who, released as a double album on 26 October 1973 by Track Records. It is the group's third rock opera, the previous two being the "mini-opera" song "A Quick One, While He's Away" (1966) and the album Tommy (1969). Set in London and Brighton in 1965, the story follows a young mod named Jimmy and his search for self-worth and importance. Quadrophenia is the only Who album entirely written & composed by Pete Townshend.

Peter Dennis Blandford Townshend is an English musician. He is the co-founder, guitarist, second lead vocalist and principal songwriter of the Who, one of the most influential rock bands of the 1960s and 1970s. His aggressive playing style and poetic songwriting techniques, with the Who and in other projects, have earned him critical acclaim.