Aqualung

Aqualung may refer to:

Diving-related

 * Aqua-Lung, a type of diving equipment
 * Aqualung Group, a French manufacturer of diving equipment
 * Aqua Lung America, a US subsidiary of the French company
 * Usually in Britain, for a long time, a generic noun for open-circuit underwater breathing apparatus with one or more backpack cylinders and a demand valve

Music

 * Aqualung (musician) or Matt Hales (born 1972), British musician, or his eponymous 2002 album
 * Aqualung (album), 1971, or its 2005 live album Aqualung Live, by Jethro Tull
 * "Aqualung" (song), a 1971 song by Jethro Tull
 * "Aqualung", a song by Morcheeba from Charango (album), 2002
 * "Aqualung", a song by Miss Li from the album A Woman's Guide to Survival, 2017