Kuttawa is a home rule-class city in Lyon County, Kentucky, in the United States. The population was 649 as of the 2010 census, up from 596 in 2000.

Lyon County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 8,680. Its county seat is Eddyville. The county was formed from Caldwell County, Kentucky in 1854 and named for former Congressman Chittenden Lyon.