尼奥罗是马里的城镇，位于该国西部，由卡伊区负责管辖，是尼奥罗省的首府，距离首都巴马科275英里，海拔高度236米，1998年该镇人口60,112。

Nioro du Sahel often referred to as simply Nioro is a town and urban commune in the Kayes Region of western Mali, 241 km from the city of Kayes. It is located 275 miles ( by road) north-west of the capital Bamako. The commune as of 1998 had a population of 60,112 although current estimates are nearer 69,100 people.