罗萨里奥德拉弗龙特拉是阿根廷的城镇，位于该国西北部萨尔塔省，处于罗萨里奥德拉弗龙特拉县的首府，始建于1874年，面积5,402平方公里，海拔高度770米，2010年人口26,174，人口密度每平方公里4.85人。

Rosario de la Frontera is a city in the center-south of the province of Salta, Argentina. It has 24,819 inhabitants as per the 2001 census[INDEC], and is the head town of the Rosario de la Frontera Department. It is located on National Route 9, by the Horcones River.