Summit is a town in Pike County, Mississippi, USA. The population was 1,428 at the 2000 census. It is part of the McComb, Mississippi Micropolitan Statistical Area.
The town originated as a railroad town and was named Summit because it was thought to be the highest point on the Illinois Central Railroad between New Orleans and Jackson, Mississippi, though nearby Brookhaven actually holds the title.
Summit is located at 31°16'58" North, 90°28'0" West (31.282793, -90.466773).