Justen is both a surname and a given name. Notable people with the name include:
Christel Justen (1957–2005), German swimmer Iago Justen Maidana Martins, Brazilian footballer Marçal Justen Filho (born 1955), Brazilian lawyer and jurist Justen Blok, Dutch field hockey player Justen Glad (born 1997), American soccer player Justen Kranthove, Dutch footballer See also Justan (disambiguation) Justin (disambiguation) Juston (disambiguation) Justyn (disambiguation)