Patriarch is a high-ranking bishop in certain Orthodox and Catholic churches.

Patriarch may also refer to:

• Patriarch (Buddhism), a historic teacher who transferred the teachings
• Patriarch (Latter Day Saints), the Melchizedek Priesthood office in the Church of Jesus Christ of Latter-Day Saints
• Patriarch (magazine), a defunct American magazine that espoused Biblical patriarchy
• Patriarchs (Bible), prominent figures in the Hebrew scriptures, especially Abraham, Isaac and Jacob
• A male ruler (of a tribe, family, etc.) in a traditional patriarchy
• Patriarch, the sailing ship used to transport the Whitbread Engine
• A character in the video game Killing Floor
• "The Patriarchs" (poem), poem by Simon Armitage on the death of Prince Philip, Duke of Edinburgh

• Matriarch (disambiguation)
• Patriarchate, the see and jurisdiction of an ecclesiastical Patriarch
• Patriarchalism, a seventeenth-century political theory of absolute monarchy in England
• Nasi or Patriarch of the Jews, the head of the Sanhedrin of Israel from 191 BCE to 425 CE
• Pater familias, the head of a Roman family.
• Supreme Patriarch or Sangharaja, a title given to senior Theravada Buddhist monks