Marks is a city in Quitman County, Mississippi, United States. As of the 2000 census, the city population was 1,551. It is the county seat of Quitman County. Marks was named for Leopold Marks, a Jewish immigrant trader of the late 19th century whose market became one of the earliest centers of business in the area.
Marks is located at 34°15′18″N 90°16′22″W / 34.255°N 90.27278°W / 34.255; -90.27278 (34.254918, -90.272784).
According to the United States Census Bureau, the city has a total area of 1.0 square miles (2.7 km²), all of it land.