Aqualung can refer to:

• Aqua-lung (often spelled "aqualung" in the United Kingdom), a type of SCUBA diving equipment consisting of a high pressure diving cylinder and a diving regulator that supplies the diver with breathing gas at ambient pressure. See also scuba set.
• Aqualung, an album by Jethro Tull, as well as a hit song, Aqualung, from that album.
• Aqualung, the stage name of Matt Hales, a British musician.
• Aqualung, an album by the aforementioned artist.
• Aqualung, a concert venue in the Spanish city of Madrid.
• For a dinosaur, see its correct spelling Dryptosaurus aquilunguis.

Aqualung | Aqualung | Aqualung (desambiguação)