HMI

HMI may refer to:

• Hahn-Meitner-Institut, now Helmholtz-Zentrum Berlin, a German research institute
• Hami Airport, in Xinjiang, China
• Hammond–Whiting (Amtrak station), in Indiana, United States
• Hartz Mountain Industries, an American holding company
• Helioseismic and Magnetic Imager, on the Solar Dynamics Observatory spacecraft
• Henry Moore Institute
• Her Majesty's Chief Inspector of Schools, in England
• Her Majesty's Inspectorate of Education, in Scotland
• Hetrick-Martin Institute, a LGBT youth organization in New York City
• Hidden-measurements interpretation, of quantum mechanics
• High Mountain Institute, in Leadville, Colorado, United States
• Himalayan Mountaineering Institute, in Darjeeling, India
• Holistic Management International, an American non-profit organization
• Hotel Meliá, in Ponce, Puerto Rico
• Human–machine interface
• Human-machine interaction
• Hydrargyrum medium-arc iodide lamp, used for stage lighting
• Muslim Students' Association (Indonesia) (Indonesian: Himpunan Mahasiswa Islam)
• Northern Huishui Miao language, spoken in China