济加尔省 (阿拉伯语：ذي قار‎) 是伊拉克十八省之一。面积 12,900平方公里，人口 1,454,200 (2003年估计)。首府纳西里耶。两河文明的主要城市乌尔和埃利都的遗迹皆位于本省。

1976年以前称为蒙塔菲省。

Dhi Qar Governorate (Arabic:ذي قار Dhī Qār‎) is a governorate in southern Iraq. The provincial capital is Nasiriyah. Prior to 1976 the governorate was known as Muntafiq Governorate. Dhi Qar was the heartland of the ancient Iraqi civilization of Sumer, and includes the ruins of Ur, Eridu, Lagash, Larsa, Girsu, Umma, and Bad-tibira. The southern area of the governorate is covered by Mesopotamian Marshes.