Scuba
Look up scuba in Wiktionary, the free dictionary.
Scuba, originally SCUBA, often expanded to scuba set, is any self contained underwater breathing apparatus, a source of breathing gas used for underwater diving which is carried by the diver.
Scuba may also refer to:
- Scuba diving, swimming underwater while breathing from a gas supply carried by the diver,
 - Scuba, an in-memory database developed by Facebook
 - Submillimetre Common-User Bolometer Array, either of two instruments used on the James Clerk Maxwell Telescope
 - Scuba (musician)
 - Scuba (album), 1984 P-Model album