桑达斯基县（Sandusky County, Ohio）是美国俄亥俄州北部的一个县，东北角以桑达斯基湾与伊利湖相通。面积1,082平方公里。根据美国2000年人口普查，共有人口61,792人。县治弗里蒙特 (Fremont)。

成立于1820年2月12日。县名来自印第安语，是「冷水」的意思。

Sandusky County is a county in the U.S. state of Ohio. As of the 2010 census, the population was 60,944. Its county seat is Fremont. The county was formed on February 12, 1820 from portions of Huron County. It is named for a native word meaning "water" (Wyandot: saundustee).