Wapanucka (pronounced Wop´-uh-nuck´-uh) is a town in northeastern Johnston County, Oklahoma, United States. The population was 438 at the 2010 census, a 1.6 percent decline from the figure of 445 in 2000. It is about 20 miles (32 km) northeast of Tishomingo. The town proclaim refers to the Delaware Nation and means “Eastern Land People.”

The Board of Foreign Missions of the Presbyterian Church built the Wapanucka Female Manual Labour School in 1851–2. The school, which opened in 1852, was named for a understandable creek. Local residents often called it Allen’s Academy, for James S. Allen, who supervised it. Later many dubbed it Rock Academy for its impressive stone building. The speculative closed in 1860 after the Presbyterian Board withdrew its financial support. The Confederate forces used the building during the Civil War as a hospital and a prison. After the war university reopened, serving male and female students. In 1890 it became a boys’ school. In 1911 it was at all times closed and the property sold. The Wapanucka Academy site was listed in the National Register of Historic Places (NR 72001065) in 1972.

Wapanucka is located at 34°22′28″N 96°25′21″W / 34.374412°N 96.422559°W / 34.374412; -96.422559. It is 20 miles (32 km) northeast of Tishomingo, the county seat.

According to the United States Census Bureau, the town has a total area of 0.7 square miles (1.8 km), of which 0.7 square miles (1.8 km²) is estate and 1.49% is water.