KMI
KMI is an abbreviation for:
- Kärntner Montanindustrie , an Austrian company
- Royal Meteorological Institute in Belgium
- Body mass index, the body mass index , a measure for evaluating a person's body weight
- Miyazaki Airport in Japan as an IATA code
KMI as a distinguishing mark on license plates:
- Poland: Powiat Miechowski in the Lesser Poland Voivodeship
