Budjak is a geographic and historical region in Ukraine and Moldova, also referred to as many other names.

Budjak, Budzhak, Budzhakh, Bugeac or Bucaq may also refer to:

Budjak Tatars, a Turkic ethnic group that inhabited Budjak Budjak Horde, a former autonomous formation of Budjak Tatars under the influence of the Ottoman Empire Budzhak, Ukraine, a rural settlement in Ukraine Bucaq (also Budzhakh), a village in Azerbaijan Yuxarı Buçaq (also Budzhak), a village in Azerbaijan Bugeac, Gagauzia, a village in Moldova Bugeac Steppe, a steppe in Moldova and Ukraine Lake Bugeac, a lake in Romania

See also Bucak (disambiguation) Bucaq, Yevlakh (disambiguation) Bujak (disambiguation) Sibat, a Filipino spear, also known as budjak, bodjak and budiak among Muslim Filipinos