Budjak, Budzhak, Budzhakh, Bugeac or Bucaq may refer to:
- Budjak, a geographical region in Ukraine, also referred to as Budzhak and as many other names
- Budjak Tatars , a Turkic ethnic group that used to inhabit the region
- Budjak Horde, a former autonomous formation of Budjak Tatars under the influence of the Ottoman Empire
- Bucaq (also Budzhakh), Aşağı Bucaq (also Ashagy-Budzhak and Ashagy-Budzhal) and Yuxarı Buçaq (also Budzhak, Yuxarı Buçaq and Yukhary-Budzhak), all being villages in Azerbaijan
- Bugeac, a village in Gagauzia, Moldova
- Lake Bugeac, a lake in Romania
See also
- Bucak (disambiguation)
- Bucaq, Yevlakh (disambiguation)
- Sibat, a Filipino spear, also known as budjak, bodjak and budiak among Muslim Filipinos in certain parts of the country