HMN may refer to:
Transport Hamilton railway station, New South Wales in Australia Hamilton station (Ohio) in the United States Hemmen-Dodewaard railway station, in the Netherlands Humayun railway station, in Pakistan Holloman Air Force Base, in New Mexico, United States Homerton railway station in London
Other uses Health Metrics Network, an international health organization Hereditary motor neuropathies hmn, ISO 639-3 code for the Hmong language Hmongic languages, spoken in China, Laos, and Vietnam Isocetane (2,2,4,4,6,8,8-heptamethylnonane)