Justyn

Justyn may refer to:


 * Justyn Cassell (born 1967), former English rugby union player
 * Justyn Knight (born 1996), Canadian long-distance track runner
 * Justyn Pogue, American artist and musician
 * Justyn Ross (born 1999), American football wide receiver
 * Justyn Vicky (1990–2023), American-Indonesian bodybuilder
 * Justyn Warner (born 1987), Canadian track athlete
 * Justyn Węglorz (born 1958), Polish former basketball player