Look up MJ, mJ, mj, or Ɱ in Wiktionary, the free dictionary.

MJ may refer to:

• M.J. Delfino, in Desperate Housewives
• Mary Jane Watson, in Marvel comics
  • Mary Jane Watson (Sam Raimi film series), the film adaptation of the character
• MJ (Marvel Cinematic Universe), a character in the Marvel Cinematic Universe
• Agent MJ, in the film Miss Cast Away and the Island Girls, played by Michael Jackson

• Mary Jane (disambiguation) § People
• MJ (South Korean singer) (Kim Myung-jun, born 1994), a South Korean singer, actor, and model
• MJ Acosta (fl. from 2016), a Dominican-American sports reporter
• MJ Cole (born 1973), English DJ and record producer
• MJ Delaney, British television director
• MJ Erb (born 1994), American long-distance runner
• MJ Hegar (born 1976), American U.S. Air Force veteran and former political candidate
• MJ Hibbett (born 1970), English guitarist singer-songwriter
• MJ Lee (born 1987), American political correspondent
• MJ Long (1939–2018), American architect, lecturer and author
• MJ Mentz (born 1982), South African rugby player
• MJ Pelser (born 1998), South African rugby player
• Mj Rodriguez (born 1991), American actress and singer
• MJ Williams (born 1995), Welsh footballer
• Mahan Mj (born 1968), Indian mathematician and monk
• Michael Jackson (1958–2009), American singer, songwriter, and dancer
  • MJ the Musical, a 2021 Broadway musical centered on Michael Jackson
    • MJ (album), the cast album to the musical
• Michael Jordan (born 1963), American businessman and former professional basketball player
• Mike Johnson Speaker of the United States House of Representatives

• Megajoule (MJ), or millijoule (mJ), units of energy
• Jupiter mass (M_J), a unit of mass

• Manufacturers' Junction Railway, near Cicero, Illinois, U.S., reporting mark MJ
• Líneas Aéreas Privadas Argentinas, a former Argentinian airline, IATA airline code MJ
• Jeep Comanche, designated MJ, a pickup truck
• MJ (New York City Subway service), a defunct subway service in New York City, US

• The MJ, a short name for The Municipal Journal, a United Kingdom publication about local democracy and civic administration
• Maillot jaune or yellow jersey, worn by the leader of the Tour de France cycling stage race
• Master of Jurisprudence, a master's degree
• West's Military Justice Reporter (cited as M.J.), official reporter of the U.S. Court of Appeals for the Armed Forces
• Short for Mary Jane, slang for marijuana

• All pages with titles beginning with MJ
• Emjay (born 1974), a Canadian Eurodance musician
• Ɱ, the letter M with hook

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