Midi or MIDI may refer to:

Music

• MIDI, a communications protocol for media interfaces

• Midi (Hi-Fi system), a type of integrated hifi audio system

• Midi, Maxi & Efti, a Swedish musical group with African influences from the early 1990s

• Black Midi, an English rock band

Entertainment

• Berliner (format) or "midi", a newspaper format with pages normally measuring about

People

• Domnall Midi (before 715–763), King of Mide and High King of Ireland

• Donnchad Midi (died 797), King of Mide from about 766, son of Domnall Midi

• General Midi (DJ), British breakbeats DJ, real name Paul Crossman

• Jin Midi (134 BC – 86 BC), Han dynasty official of Xiongnu ethnicity

Transport

• Bedford Midi, a medium-sized panel van produced in the period 1986—94 by GM Vauxhall

• Mitsubishi Fuso Aero Midi, a medium-duty bus built by Mitsubishi Fuso

• Brussels-South railway station, known as Bruxelles-Midi in French

Geography

• Southern France (in colloquial French and some contexts in English)

• Midi-Pyrénées, a former administrative region of France

• Midi District, district of Hajjah Governorate in Yemen

Other uses

• MITI, in Japan is the Ministry of International Trade and Industry

• Midi skirt, a mid-calf length skirt (1970s)

• Mid-IR Interferometric instrument or MIDI, a former instrument of the Very Large Telescope in Chile

• Multi-Indicator Drought Index, a summary map of drought conditions in the U.S. published by the NOAA National Weather Service’s Climate Prediction Center

• The Midi, the most recently created size of crossword puzzle for New York Times Games, with a size between that of the regular puzzle and the Mini.