Barry County is a county located in the southwest portion of the U.S. state of Missouri. As of the 2020 Census, the population was 34,534. Its county seat is Cassville. The county was organized in 1835 and named after William Taylor Barry, a U.S. Postmaster General from Kentucky. The town of Barry, also named after the postmaster-general, was located just north of Kansas City, not in Barry County.

Roaring River State Park is a public recreation area covering of 4,294 acres (1,738 ha) eight miles (13 km) south of Cassville in Barry County, Missouri. The state park offers trout fishing on the Roaring River, hiking on seven different trails, and the seasonally open Ozark Chinquapin Nature Center.