Apple Valley is a census-designated place in Knox County, in the U.S. state of Ohio. It consists of a planned community surrounding a 511-acre (2.07 km2) reservoir named Apple Valley Lake.
Primarily a resort community, Apple Valley contains a golf course.
‡This populated place also has portions in an adjacent county or counties
Coordinates: 40°26′20″N 82°21′14″W / 40.43889°N 82.35389°W / 40.43889; -82.35389