Hangar 18

Hangar 18 may refer to:


 * Hangar 18 (conspiracy theory), a conspiracy theory about a hangar at the Wright-Patterson Air Force Base in Ohio purported to contain UFO (Unidentified Flying Object) technology
 * Hangar 18 (band), an American hip hop group
 * Hangar 18 (film), a 1980 science fiction film
 * "Hangar 18" (song), a song by Megadeth from Rust in Peace
 * "Hangar 18, Area 51", a song by Yngwie Malmsteen from the 1999 album Alchemy
 * Hangar 18, an Alienware HD media server
 * Hangar 18, a DLC map for Call of Duty: Black Ops