伊塔斯加县（Itasca County, Minnesota）是美国明尼苏达州北部的一个县。面积7,583平方公里。根据美国2000年人口普查，共有人口 43,992。县治大急流城 (Grand Rapids)。

成立于1849年10月27日，是最早的九个县之一。县名来自密西西比河的正源伊塔斯加湖 (Lake Itasca)。伊塔斯加是拉丁语veritas caput的缩写，就是「真正的源头」 (湖目前的位置在清水县)。

Itasca County is a county located in the State of Minnesota. As of the 2010 census, the population was 45,058. Its county seat is Grand Rapids. The county is named after Lake Itasca, which is in turn a shortened version the Latin words veritas caput, meaning 'truth' and 'head', a reference to the source of the Mississippi River. Portions of the Bois Forte and Leech Lake Indian reservations are in the county.