Hadrianus may refer to:

People Hadrian (76–138), Roman emperor Gaius Fabius Hadrianus, Roman colonial administrator & politician Pope Adrian (disambiguation) (any of the listed popes) Hadrianus Junius (1511–1575), also known as Adriaen de Jonghe

Other 7446 Hadrianus, an asteroid Hadrianus (turtle), an extinct genus of tortoise The origin of the Emperor family, Hadria Picena or Hatria the modern Atri in Abruzzo region, Italy

See also