Anthony I
Anthony I or Antony I may refer to:
- Anthony I of Constantinople, Archbishop of Constantinople and Ecumenical Patriarch from 821 to 837
- Anthony I, Count of Ligny
- Anthony I, Lord of Monaco
- Antonio I, Prince of Monaco
- Anthony I, Serbian Patriarch, Archbishop of Peć and Serbian Patriarch from 1571 to 1574
- Anthony I of Portugal, King of Portugal in 1580
- Anthony I, Eritrean Patriarch, Archbishop of Asmara and Eritrean Patriarch from 2004 to 2007
- Anthony I, Count of Oldenburg