MI-4

MI-4, MI4, MI 4, or variant may refer to:


 * MI4, British Military Intelligence Section 4
 * Mil Mi-4
 * Michigan's 4th congressional district
 * M-4 (Michigan highway)
 * Mission: Impossible – Ghost Protocol, a 2011 action film starring Tom Cruise
 * Xiaomi Mi 4, an Android smartphone produced by Xiaomi Tech
 * Escape from Monkey Island (also known as Monkey Island 4), videogame