Petrovo (Serbian Cyrillic: Петрово) is a town and municipality located in Republika Srpska, Bosnia and Herzegovina.

The municipality was formed by Bosnian Serb authorities during the war.

The Bosnian government never recognised this decision and officially municipality was created after the signing of the Dayton Agreement.

The following villages are constituents of Petrovo municipality: The "Saint Nikola Monastery" of the Serbian Orthodox Church is located in the Petrovo municipality.

Una-Sana  Central Bosnia Posavina  Herzegovina-Neretva Tuzla  West Herzegovina Zenica-Doboj  Sarajevo Bosnian Podrinje Canton 10