Jacks Creek is a 15mi long tributary of the Bruneau River in Owyhee County, Idaho. Beginning at the confluence of Big Jacks Creek and Little Jacks Creek at an elevation of 2779ft southwest of Bruneau, it flows generally northeast to its mouth at C. J. Strike Reservoir, at an elevation of 2457ft. It was named after Jack Turner, a rancher who settled the area in 1869.