Petrovsk may refer to:
Petrovsk, Saratov Oblast, a town in Saratov Oblast, Russia, on the Medveditsa River Petrovsk (inhabited locality), several places in Russia Petrovsk (air base), an air base in Saratov Oblast, Russia Petrovsk-Port, name of the city of Makhachkala in the Republic of Dagestan, Russia, in 1857–1921
See also Petrovsky (disambiguation) Petrovsk-Zabaykalsky (disambiguation) Novopetrovsk (disambiguation)