MIU
Miu or MIU may refer to:

People and culture
Miu (given name)
Miu (Naga festival)
Miu language, an Austronesian language spoken in Papua New Guinea
Ion Miu (born 1955), Romanian virtuoso cimbalom player

Universities
Al-Mustafa International University, in Qom, Iran
Maharishi International University, formerly known as Maharishi University of Management
Manarat International University, in Dhaka, Bangladesh
Manipal International University, in Malaysia
Manipur International University, located in Manipur, India
Marconi International University, Florida; part of Marconi University
Miami International University of Art & Design, Florida
Misr International University, an Egyptian private university, Cairo
Mongolia International University, in Ulaanbaatar, Mongolia
Myanmar Imperial University, in Yangon, Myanmar

Other
M.I.U. Album, by the Beach Boys
Main instrument unit
Minor injuries unit
Mobile incinerator unit, a plant for Waste treatment
Movement for Integration and Unification, an Albanian radical left-wing nationalist movement in Kosovo
mIU is milli-IU, a thousandth of an international unit
MU puzzle, also known as the MIU game