HMR may refer to: HMR, the IATA code for Hamar Airport, Stafsberg, in Norway HMR, the ICAO code for NAC Air, a Canadian airline HMR, the ISO 639-3 code for the Hmar language of India .17 HMR, a rimfire rifle cartridge As an abbreviation Health Management Resources High Mountain Rangers, a television series Hoboken Manufacturers Railroad Hoechst Marion Roussel, an American subsidiary of Hoechst AG Hot module replacement, web technology Housing Market Renewal Initiative, in the United Kingdom Hyderabad Metro Rail