Littoral is one of the twelve departments of Benin. At 79 km², Littoral is the smallest department in the country. Its capital is Cotonou, Benin's largest city. The department was created in 1999 with the splitting up of territories of Atlantique Department.
As per 2013 census, the total population of the department was 679,012 with 325,872 males and 353,140 females. The entire population was urban while the total labour force in the department numbered 253,892. The proportion of households with no level of attained formal education was 21.1%, by far the lowest of any department in the country.