Bardača (Serbian Cyrillic: Бардача), or Bardača Wetland (Serbo-Croatian: Bardača močvarni kompleks), is wetland complex of lakes and marshes, and is Important Bird Area on 3,500 ha, in the municipality of Srbac, northern Republika Srpska, Bosnia and Herzegovina. It lies about 30 kilometres from Banja Luka. Area of the lake and marshes are protected as nature park (Nature Monument – IUCN Category III), Bardača Nature Park. It is designated as a Ramsar site 2 February 2007.

• List of lakes in Bosnia and Herzegovina
• List of protected areas of Bosnia and Herzegovina