6N or 6-N may refer to:
6N or 6°N, the 6th parallel north latitude Nordic Airways, IATA airline designator List of highways numbered 6N U.S. Route 6N U.S. Route 6 in New York US 6N (NY), see U.S. Route 209 in New York Six Nations Championship, the annual northern hemisphere rugby union competition sometimes abbreviated as 6N ER-6n, a model of Kawasaki Ninja 650R Extrom 6N, see Caprolactam Typ 6N, internal corporate name for Volkswagen Polo Mk3 6N caves, see List of caves in Western Australia 6N, the production code for the 1984 Doctor Who serial Frontios
See also N6 (disambiguation)