Attala County is a county located in the U.S. state of Mississippi. As of the 2020 census, the population was 17,889. Its county seat is Kosciusko. Attala County is named for Atala, a fictional Native American heroine from an early-19th-century novel of the same name by François-René de Chateaubriand.

Mississippi Highway 12 is a state highway in northern Mississippi that runs 198.7 miles (319.8 km) west–east from MS 1 west of Hollandale at the Mississippi River to State Route 18 at the Alabama state line northeast of Columbus. MS 12 traverses three major regions of the state, the Mississippi Delta, the North Central Hills, and the Golden Triangle.