Operation Swath-10 () was a military offensive undertaken by the Croatian Army (Hrvatska vojska, or HV) against the SAO Western Slavonia Territorial Defense Forces on Bilogora Mountain in western Slavonia. Occurring from 31 October to 4 November 1991, during the Croatian War of Independence, the operation was a Croatian victory and its success set the stage for follow-up advances by Croatian forces on Papuk Mountain in Operation Papuk-91 in late November and December. By the end of the year the HV gained control of Papuk, securing transport routes between eastern Slavonia and the rest of Croatia.