Campanus can refer to:

  • Giovanni Antonio Campani called Campanus (1427–1477), Italian humanist
  • Campanus of Novara (1220–1296), Italian astrologer, astronomer, and mathematician; also:
  • Campanus (crater), a lunar crater named for him
  • the astrological house system named after him; see House (astrology)#Campanus
  • Johannes Vodnianus Campanus (1572–1622), Czech humanist, composer, pedagogue, poet, and dramatist
  • Johann Campanus (fl. 1530) Belgian Anabaptist religious reformer
  • Campania, a region of Italy

See also

  • John Campanius (1601–1683), Swedish Lutheran clergyman