Kiseljak is a town and municipality situated in the Central Bosnia Canton of the Federation of Bosnia and Herzegovina, which is one of the two entities that make up Bosnia and Herzegovina.
The town is located in the valley formed by the Fojnica River as well as the Lepenica and Kreševka Rivers, the latter of which are tributaries of the Bosna River. It serves as a geographic intersection for roads connecting the towns of Visoko, Fojnica, Kreševo, and Rakovica.