Sumrakovac () is a village in the municipality of Boljevac, Serbia. According to the 2002 census, the village has a population of 642 people. The village is situated in the Crna Reka region.
The village was a site of operations in the First Serbian Uprising (1804âÂÂ13). The Crna Reka nahija was organized into Revolutionary Serbia, with a seat at ZajeÃÂar and the establishment of a magistrate (court). Eight trenches were built in the Crna Reka nahiya, one which was at Sumrakovac.