Saint Paulinus may refer to:
Paulinus of Antioch, first Bishop of Lucca Paulinus of Nola, or Pontius Meropius Anicius Paulinus Paulinus of Trier (died 358), bishop of Trier and a supporter of Athanasius in the conflict with Arianism Paulinus of York, first Archbishop of York Paulinus II of Aquileia, Patriarchate of Aquileia Paul Aurelian or Paulinus Aurelianus, 6th-century Welshman who became first bishop of the See of Léon and one of the seven founder saints of Brittany