Ouersnia, also spelled Ouarsania, pronounced Warsnia (Tunisian Arabic: الوراسنية or الوارسنية, Warsnia; French: Ouersnia) is a village located in Ben Guerdane City, in Southeastern Tunisia. It lies about 5 km in the center of the city of Ben Guerdane and has an area of 137 square kilometers. Its population reached 8,421 according to 2014 statistics.