HMI

HMI can refer to:

• Hahn-Meitner-Institut, a research institut in Berlin, Germany, now called Helmholtz-Zentrum Berlin
• Hammond–Whiting (Amtrak station), an Amtrak station in Indiana, United States, with the code HMI.
• Helioseismic and Magnetic Imager, an instrument that studies the magnetic fields of the Sun on the Solar Dynamics Observatory.
• Her Majesty's Inspector, a school inspector employed by Ofsted in England.
• Her Majesty's Inspectorate of Education, the Scottish standards authority for public schools
• Hetrick-Martin Institute, a social service agency for lesbian, gay, bisexual and transgender youth and home of the Harvey Milk High School
• High Mountain Institute, an educational nonprofit in Leadville, Colorado
• Himalayan Mountaineering Institute, an institute in Darjeeling, India
• Himpunan Mahasiswa Islam or Muslim Students' Association (Indonesia), an Islamic association consisting of university students in Indonesia.
• Human-machine interaction, the interaction between humans and machines (often computers).
• Human machine interface, the interface handling the human-machine interaction.
• Hydrargyrum medium-arc iodide lighting, a type of illumination used in the film industry, for stage lighting and large image projection.
• Hygiene Medical Industry Co., Ltd., a sanitation supply company, manufacturer of hygiene and disinfecting products, based in Veliko Tarnovo, Bulgaria.