BKU

BKU or bku can refer to:


 * BankUnited, an American bank holding company, by stock ticker
 * Buhid language, a language spoken on Mindoro island, the Philippines, by ISO 639 code
 * Bashundhara Kings Ultras (BKU), First registered fan club in Bangladesh, which was established on 29 April 2021, and supports the Bangladeshi club, Bashundhara Kings.
 * Bharatiya Kisan Union, an Indian farmers' union
 * Betioky Airport, an airport in Betioky, Madagascar, by IATA code; see List of airports in Madagascar