Manassas is a city in Tattnall County, Georgia, United States.

Per the 2020 census, the population was 59.

[5] The community was named after Manassas Foy, the son of a local citizen.

[6] The Georgia General Assembly incorporated Manassas as a city in 1920.

[8] According to the United States Census Bureau, the city has a total area of 0.8 square miles (2.1 km2), all of it land.