Ignatius I

Ignatius I may refer to:


 * Ignatius of Antioch, bishop in 68–107
 * Ignatios of Constantinople, Patriarch of Constantinople in 847–858 and 867–877
 * Ignatius of Bulgaria, Patriarch of Bulgaria c. 1272–1278
 * Ignatius of Moscow, Patriarch of Moscow and all Russia in 1605–1606
 * Ignatius I Daoud, Patriarch of Antioch of the Syrian Catholic Church in 1998–2001