Antunovac is a rural municipality in Osijek-Baranja County, Croatia. There are 3,703 inhabitants, 96% of which are Croats (2011 census). The municipality consists of two villages: Antunovac (2,181 inhabitants) and Ivanovac (1,522 inhabitants). Antunovac is underdeveloped municipality which is statistically classified as the First Category Area of Special State Concern by the Government of Croatia.