The Stopanska rijeka – also signed as Stopanski and Stopanski potok – is a right tributary of the Vrbanja river in the Kotor-Varoš Municipality, local community of Šiprage, Bosnia and Herzegovina. It originates northeast of the village Stopan, from the stream Subanj (1100 m) and the Pecan spring, at an altitude of 1000 m, between the elevations Pirevište (northwest, 1042 m) and Lepenica (southeast, 1016 m). 