Donja Dubica is a village in the municipality of Odžak, Bosnia and Herzegovina.[1] It is located close to the Croatian border.
According to the 2013 census, its population was 1,472.[2]
In the Second World War, at the beginning of December 1944, the Croatian Ustasha committed mass slaughter in this village and in several other nearby villages with a Serbian majority (Trnjak, Zorice). 752 people were killed, of which 332 were children.