Vaddu South
Grama Niladhari Division
Country	Sri Lanka
Province	Northern Province
District	Jaffna
Town	Vaddukoddai
Time zone	UTC+5:30 (Sri Lanka Standard Time)

Vaddu South is a Grama Niladhari Division (GN Division) of the Valikamam West Divisional Secretariat of Vaddukoddai, Jaffna District of Northern Province, Sri Lanka. It has Grama Niladhari Division Code J/165.^[1]

• List of settlements in Northern Province (Sri Lanka)

• Department of Census and Statistics – Sri Lanka

9°45′N 79°57′E / 9.750°N 79.950°E / 9.750; 79.950