English abbreviations from mhr to mi
- MHR (Sacramento Mather Airport)
- MHRA ((UK) Medicines and Healthcare products Regulatory Agency)
- MHRP (Military HIV Research Program)
- MHS (Migrant Head Start)
- MHSA (Master of Health Services Administration)
- MHSD (Mountain Home School District)
- MHT (Manchester-Boston Regional Airport)
- MHTML (MIME (Multipurpose Internet Mail Extensions) HyperText Markup Language)
- MHU (Mount Hotham Airport)
- MHV (Mojave Airport)
- MHW (Mean High Water (nautical charts))
- MHWN (Mean High Water Neaps (nautical charts))
- MHWS (Mean High Water Springs (nautical charts))
- MHX (Manihiki Island Airport)
- MHY (Morehead Airport)
- MHz (Megahertz)
- MI (Myocardial infarction; also Mitral insufficiency or Mental institution)