Justinus

Justinus may refer to:

• Justinus van der Brugghen (1804–1863), Dutch politician
• Justinus Darmojuwono (1914–1994), Indonesian cardinal
• Justinus Kerner (1786–1862), German poet
• Justinus van Nassau (1559–1631), Dutch army commander, only illegitimate son of William of Orange
• Oskar Justinus (1839–1893), German dramatist