Kiseljak (Serbian Cyrillic: Кисељак) is a town and municipality located in Central Bosnia Canton of the Federation of Bosnia and Herzegovina, an entity of Bosnia and Herzegovina. It lies in the valley of the Fojnica River, the Lepenica and the Kreševka River, which are a tributary of the Bosna, and it is on the intersection of roads from Visoko, Fojnica, Kreševo and Rakovica.

18,335 total

• Croats - 10,389 (56.66%)
• Bosniaks - 6,822 (37.20%)
• Serbs - 924 (5.03%)
• Yugoslavs - 55 (0.29%)
• Others - 145 (0.82%)

In 1991 the population of the Kiseljak municipality (164 km) was 24,426, of which 51.61% were Croats, 40.92% Bosniaks, 3.11% Serbs, 2.48% Yugoslavs and 1.88% others. The town itself had a population of 6,598, of which 60% Croats, 29% Bosniaks, 3% Serbs, 5% Yugoslavs and 4% others.

Municipality	Nationality						Total
	Bosniaks	%	Croats	%	Serbs	%
Kiseljak	8,938	48.82	8,823	48.05	409	1.97	18,722

The town is home to the football club NK Kiseljak.

• Branko Pleša, actor
• Jozo Penava, musician

Kiseljak is twinned with:

• Kaštela, Croatia
• Kópháza, Hungary
• Zaprešić, Croatia

• Official website