BYO or byo may stand for:
*
BYO Records
* IATA code
Bonito Airport
*
BYOB
BYOB or BYO is an initialism and acronym concerning alcohol that means "bring your own bottle" or "bring your own booze" or "bring your own beer".
BYOB is stated on an invitation to indicate that the host will not be providing alcohol and that ...
, a reference to "bring your own" alcohol
* Byo river in the Central African Republic
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