斯克内克塔迪县（Schenectady County, New York）是美国纽约州中部偏东的一个县。面积543平方公里。根据美国2000年人口普查，共有人口146,555。县治斯克内克塔迪。

成立于1809年。县名来自摩和克族，意思是「松树林的另一边」。

Schenectady County (/skəˈnɛktədi/) is a county located in the U.S. state of New York. As of the 2010 census, the population was 154,727. The county seat is Schenectady. The name is from a Mohawk language word meaning "on the other side of the pine lands," a term that originally applied to Albany.