HKN may refer to:
Transportation Haranya Kheri railway station, in India Hawksburn railway station, in Melbourne, Australia Hoskins Airport, in Papua New Guinea Hucknall station, in England Hankou railway station, China Railway telegraph code HKN
Other uses HKN, Inc., an American oil and gas company Eta Kappa Nu, an engineering honour society of the IEEE H. K. Narayana (born 1934), Indian composer