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

See also 
 Justan (disambiguation)
 Justen (disambiguation)
 Justin (disambiguation)
 Juston (disambiguation)