Hierotheos or Hierotheus may refer to:

• Hierotheos the Thesmothete, traditional first bishop of Athens in the 1st century
• Hierotheus of Segovia, legendary bishop of Segovia in the 1st century
• Hierotheos (missionary bishop), active in Hungary in the 10th century
• Hierotheos (monk), Constantinopolitan letter writer in the 12th century
• Hierotheos, religious name of John Komnenos Molyvdos (1657–1719), Greek Orthodox metropolitan and scholar
• Hierotheus Confluentinus (1682–1766), German priest and writer
• Hierotheus I of Alexandria, Greek Patriarch of Alexandria in 1825–1845
• Hierotheus II of Alexandria, Greek Patriarch of Alexandria in 1847–1858
• Hierotheos of Antioch, Greek Patriarch of Antioch in 1850–1885
• Hierotheus of Jerusalem, Greek Patriarch of Jerusalem in 1875–1882
• Hierotheos Vlachos (born 1945), Greek Orthodox metropolitan and theologian
• Hierotheus of Ahtopol (born 1977), Bulgarian Orthodox bishop

See also

• The Book of Hierotheos, purported work of Hierotheos the Thesmothete, actually by Stephen bar Sudayli