These are lists of political office-holders in Ireland.
Heads of states
- High Kings of Ireland
- Kings of Ireland
- Lords of Ireland
- President of Dáil Éireann (During the revolution)
- President of Ireland (1938–present)
Heads of government
- Presidents of the Executive Council (1922–1937)
- Taoisigh of Ireland (prime minister) (1937–present)
- Tánaistí of Ireland (1937–present)
Heads of former states
- Kings of Connacht
- Kings of Ulster
- Kings of Leinster
- Kings of Munster
- Kings of Breifne
- Kings of East Breifne
British governors
- Lord Deputies and Lord Lieutenants of Ireland
- Chief Secretary for Ireland
- Lord Chancellors of Ireland
- Governor-General of the Irish Free State (1922–1936)
- Secretary of State for Northern Ireland
Courts office-holders
- Attorneys-General for Ireland
- Attorneys General (1922–present)