Petar Teodorović (Serbian Cyrillic: Петар Теодоровић; 1771–1831), known as Petar Dobrnjac (Петар Добрњац) was a Serbian Vojvoda in the First Serbian Uprising. He was born in the Požarevac nahija, in the village of Dobrnje, Petrovac. In his youth, he was a hajduk, and later a trader in farm animals.