Cannelton is a city in Troy Township, Perry County, in the U.S. state of Indiana, along the Ohio River. The population was 1,563 at the 2010 census. Cannelton, which was the smallest incorporated city in the state until 2010, was formerly the county seat of Perry County until the seat was relocated to Tell City.

Perry County is a county located in the southwestern part of the U.S. state of Indiana. As of 2020, the population was 19,170. The county seat is Tell City. It is the hilliest county as well as one of the most forested counties in Indiana as it features more than 60,000 acres (240 km2) of Hoosier National Forest. The Ohio River Scenic Byway along Indiana State Road 66 runs along the southern border of the county while Interstate 64 traverses the northern portion of the county. Connecting the two is Indiana State Road 37.