Mississippi Highway 594 (MS 594) is a highway in southern Mississippi.

Its western terminus is at MS 57/MS 63 near Leakesville.

It then travels east, and its eastern terminus is at CR 96 at the Alabama line.

MS 594 starts at MS 57/MS 63 near Leakesville it travels east as Old Hwy 63 and then turns left and then ends at CR 96 at the Alabama line.

[1][2] The entire route is in Greene County.