Buzuluk (Russian: Бузулук) is the name of several inhabited localities in Russia.
- Urban localities
- Buzuluk, Orenburg Oblast, a town in Orenburg Oblast
- Rural localities
- Buzuluk, Irkutsk Oblast, a settlement in Kuytunsky District of Irkutsk Oblast
- Buzuluk, Oryol Oblast, a village in Podgorodnensky Selsoviet of Maloarkhangelsky District of Oryol Oblast