HMR may refer to:
IATA code for Hamar Airport, Stafsberg, in Norway Postal code for Ħamrun, Malta ISO 639-3 code for the Hmar language, a Tibeto-Burman language in India ICAO code for NAC Air, a Canadian airline .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