Karabulak (Russian: Карабулак) is the name of several inhabited localities in Russia.
Urban localities
Karabulak, Republic of Ingushetia, a town in the Republic of Ingushetia; administratively incorporated as a town of republic significance
Rural localities
Karabulak, Astrakhan Oblast, a settlement in Ozernovsky Selsoviet of Ikryaninsky District of Astrakhan Oblast
Karabulak, Chelyabinsk Oblast, a settlement in Karabulaksky Selsoviet of Kizilsky District of Chelyabinsk Oblast
Karabulak, Saratov Oblast, a settlement in Novoburassky District of Saratov Oblast