Frisch's Big Boy is a regional Big Boy restaurant chain with headquarters in Cincinnati, Ohio. For many years a Big Boy franchisee, in 2001, Frisch's became the exclusive owner of the Big Boy trademark in Indiana, Kentucky, and most of Ohio and Tennessee, and is no longer affiliated with Big Boy Restaurant Group. In July 2022, there were 84 restaurants in Indiana, Kentucky, and Ohio. This includes 11 Big Boy stores in Cincinnati, 6 in Dayton, Ohio, and 3 in Louisville, Kentucky. Frisch's is the oldest, longest surviving regional Big Boy operator, excluding Bob's Big Boy in California, which was the original Big Boy restaurant and franchisor.