Mississippi Highway 313 (MS 313) is a minor state highway in Marshall County, Mississippi, serving the communities of Atway and Hudsonville.

The signed, state-maintained portion is approximately 1.3 miles (2.1 km) long and is generally a narrow two-lane route.

The highway enters a long left curve for a tenth of a mile and intercepts Jackson Road.

The road crosses the Mississippi Central Railroad and leaves Hudsonville.

[1][2] Despite ending at MS 7, the Mississippi Department of Transportation has the route continuing north to U.S. Route 72 in Slayden for a total distance of 9.825 miles (15.812 km).