Petre Dumitrescu was a Romanian general during World War II who led the Romanian Third Army on its campaign against the Red Army in the Eastern Front.

The 3rd Army was a field army of the Romanian Land Forces active from the 19th century to the 1990s. It fought as part of the German Army Group B during World War II, in Ukraine, the Crimea, and the Caucasus. General Petre Dumitrescu commanded the 3rd Army for much of that time.