Saint-Jean-du-Sud Sen Jan disid
Commune
Saint-Jean-du-Sud Location in Haiti
Coordinates: 18°5′0″N 73°49′0″W / 18.08333°N 73.81667°W / 18.08333; -73.81667
Country	Haiti
Department	Sud
Arrondissement	Port-Salut
Area
• Total	69.29 km2 (26.75 sq mi)
Elevation	0 m (0 ft)
Population  (2009)[1]
• Total	23,251
• Density	336/km2 (870/sq mi)

Saint-Jean-du-Sud (French pronunciation: [sɛ̃ ʒɑ̃ dy syd]; Haitian Creole: Sen Jan disid) is a commune in the Port-Salut Arrondissement, in the Sud department of Haiti. In 2009, it had 23,251 inhabitants.