Pakra is a river in western Slavonia and central Croatia, a left tributary of Lonja-Trebež. It is around long.
Pakra rises in the south of Ravna Gora, north of the village of Bučje. It flows towards the west and passes through Pakrac, where a southward bend takes it through Lipik. It continues to the west and passes Banova Jaruga. It flows southwest into the Trebež, the southernmost section of Lonja, near Sava.