Buka

Buka can refer to:


 * Buka, Papua New Guinea, the capital of Autonomous Region of Bougainville
 * Buka Rural LLG in Papua New Guinea
 * Buka, Pomeranian Voivodeship (north Poland)
 * Buka, Uzbekistan (Buká), a town in the Tashkent Province of Uzbekistan
 * Buka Island, the second largest island in the Papua New Guinean province of Bougainville
 * Buka (music), the opening of a gamelan composition
 * Buka cloak, a Noongar Southwest Australian indigenous word describing, usually, a kangaroo-skin cloak worn draped over one shoulder.