Buzuluk may refer to:
Buzuluk, Orenburg Oblast, a town in Orenburg Oblast in Russia Buzuluk (inhabited locality), name of several inhabited localities in Russia Buzuluk (Orenburg Oblast), a river in Orenburg Oblast, Russia Buzuluk (Volgograd Oblast), a river in Volgograd Oblast, Russia Bazavluk, a river in Dnipropetrovsk Oblast, Ukraine, also known in Russian as Buzuluk Buzluq, Azerbaijan, also known as Buzuluk