Mount Olive is a town in Duplin and Wayne counties in the U.S. state of North Carolina. The population was 4,589 at the 2010 census. It is included in the Goldsboro, North Carolina Metropolitan Statistical Area. The town is home to the Mt. Olive Pickle Company and the University of Mount Olive.

Duplin County is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 48,715. Its county seat is Kenansville.