Watchung may refer to:

In geology Watchung Mountains, a group of three long low ridges in northern New Jersey Watchung Outliers, six areas of isolated low hills and rock outcrops of volcanic origin in the U.S. states of New York, New Jersey, and Pennsylvania

Other Watchung, New Jersey, a borough in Somerset County, New Jersey Watchung Avenue (NJT station) Watchung Borough Schools Watchung Conference, a former high school sports association Watchung Hills Regional High School Watchung Reservation, a park in Union County, New Jersey