MJW may refer to:
Malcolm-Jamal Warner (1970-2025), American actor Mary Jane Watson, a supporting character appearing in American comic books published by Marvel Comics Michael Jai White (born 1967), American actor, writer, director, producer, stunt coordinator and martial artist Melissa Jefferson-Wooden (born 2001), American track and field sprinter Mak Joon Wah (born 1942), Malaysian physician Matthew J. Walsh (1882–1963), American priest Max Joseph Wagenbauer (1775–1829), Bavarian artist Michael J. Waldvogel, American lacrosse player Michael J. Wallrich (1857–1941), Republican politician in the U.S. State of Wisconsin Michael J Walsh, American designer and creative director Martin Joseph Ward (born 1991), English professional boxer Michael J. Ward (born 1950/1951), American railroad executive Michael J. Warner (1843–1919), Democratic politician in the U.S. State of Wisconsin Mary Jane Warnes (1877–1959), Australian women's rights activists M J Warsi, Indian linguist, researcher, and author Martin J. Weber (1905–2007), American inventor Matt J. Wedel, American paleontologist Michael J. Weithorn (born 1956), American writer, director, and producer M J Whelan (born 1931), British scientist Michael J. Whitley (died 2000), American naval historian Marshall Jay Williams (1837–1902), Republican politician in the U.S. State of Ohio Maurice John Willis (1900–1975), Canadian educator and political figure Mary Jane Wilson (1840–1916), Englishwoman born in India who founded a religious order, the Franciscan Sisters of Our Lady of Victory Margaret J. Winkler (1895–1990), American film producer Martin J. Wygod (born 1940), American businessman and a prominent Thoroughbred racehorse owner/breeder Michael J. Wytrwal (1882–1970), American banker Mark J. Williams (born 1975), Welsh professional snooker player