Hibernia is an unincorporated community and census-designated place (CDP)[5] located along County Route 513 (Green Pond Road) in Rockaway Township of Morris County, in the U.S. state of New Jersey.

[1][6] The area is served as United States Postal Service ZIP Code 07842.

Hibernia is in northern Morris County, just south of the geographic center of Rockaway Township.

County Route 513 (Green Pond Road) passes through Hibernia, leading north 6 miles (10 km) to Green Pond and 9 miles (14 km) to New Jersey Route 23 at Newfoundland, while to the south it leads less than 4 miles (6 km) to Rockaway borough.

Since 1970, the former Methodist Episcopal Church on Green Pond Road has been used as a branch of the Rockaway Township Free Public Library.