A back door is a door in the rear of a building. Back door may also refer to:
Arts and media Back Door (jazz trio), a British group. Porta dos Fundos (literally “Back Door” in Portuguese) Brazilian comedy YouTube channel. Works so titled: The Back Door (fiction), a 1897 work serialised in Hong Kong "Back Door", a 1969 sound single by Rhinoceros (band) Musical albums: Back Door (album), a 1972 by English jazz trio Back Door The Back Door (album), a 1992 album by American band Cherish the Ladies Songs: "Back Door", a 2020 song by South Korean boy group Stray Kids from the album In Life "Backdoor" (song), a 2020 song by American rapper Lil Durk "Back Door", a 2021 song by American rapper Pop Smoke from the album Faith "Backd00r", a 2025 song by American rapper Playboi Carti
Other uses Backdoor (computing), a hidden method for bypassing normal computer authentication systems Backdoor (basketball), a play in which a player gets behind the defense and receives a pass for an easy score Backdoor Bay, Ross Island, Antarctica
See also Backdoor pilot, the use of existing series in assessing potential audience reaction to a proposed television series Backdoor breaking ball, a type of pitch Backdoor.Win32.IRCBot, a computer worm Music: Backdoor progression, in music theory, characteristic harmonic device used in many "jazz standards" Works: "Back Door Man", a 1960 blues song, written by Willie Dixon & recorded by Howlin' Wolf "Back Door Santa", a 1968 blues song written by Clarence Carter and Marcus Daniel "Lookin' out My Back Door", a rock song by Creedence Clearwater Revival, on their 1970 album Cosmo's Factory