BMI may stand for:

• Body mass index, a measurement of ideal weight range
• Big Mac index, a measurement and test of purchasing power parity across different countries, made popular by The Economist
• bmi (airline), a United Kingdom airline
• Bank Melli Iran, a public bank in Iran
• Broadcast Music Incorporated, one of the three performing rights organizations in the U.S.
• Central Illinois Regional Airport, IATA airport code
• Best Motoring International, a Japanese magazine & video series for automobiles and racing
• Brain Machine Interface, a technological interface between a brain and a computer (or any other artificial device)

BMI | BMI | Bmi | BMI