斯卡吉特县（Skagit County, Washington）是美国华盛顿州西北部的一个县。面积4,974平方公里。根据美国2000年人口普查，共有人口102,979人。县治弗农山 (Mount Vernon)。

成立于1883年11月28日。县名来自斯卡吉特人 (印第安人的一支)。

Skagit County /ˈskædʒᵻt/ is a county in the U.S. state of Washington. As of the 2010 census, the population was 116,901. The county seat and largest city is Mount Vernon. The county was formed in 1883 from Whatcom County and is named for the Skagit Indian tribe, which has been indigenous to the area prior to European-American settlement.