Paisius

Païsius or Païsios may refer to:

• Pishoy or Bishoy, 320-417 AD, an Egyptian desert father and Christian saint; Παΐσιος Paisios is the Greek form and Paisius the Latin form
• Patriarch Paisius I of Jerusalem, 17th century
• Patriarch Paisius I of Constantinople
• Patriarch Paisius II of Constantinople, 18th century
• Patriarch Paisius of Alexandria, patriarch from 1657 to 1678
• Paisius Ligarides
• Saint Paisius of Hilendar (Paisiy Hilendarski), an 18th-century Bulgarian National Revival figure
• Saint Paisius Velichkovsky, 17th century monk and theologian, the founder of modern Eastern Orthodox staretsdom
• Paisius II of Caesarea, Metropolitan of Caesarea in Cappadocia from 1832 to 1871
• Saint Paisios (Eznepidis), also known as Elder Paisios of Mount Athos, a 20th-century monk