MIE
- Magnetic Isotope Effect
- Meta Information Encapsulation (ExifTool file format)
- Metal-induced embrittlement; see embrittlement
- Microsoft Internet Explorer
- MIE - a member of Japanese idol group Pink Lady. See Mitsuyo Nemoto.
- Minimum Ignition Energy
- Minimally Invasive Education
- Muncie, IN, USA - Delaware County Airport (Airport Code)
- Modern Indo-European
- Mobile Internet Experience