These lists of heads of state of Ireland compile monarchs and presidents of Ireland.
- For Monarchs of Ireland, see Monarchy of Ireland#List of monarchs of Ireland
- For Presidents of Ireland, see President of Ireland#List of presidents of Ireland
- For Governors-General, see Governor-General of the Irish Free State#Governors-General of the Irish Free State (1922–36)
This article includes a politicians-related list of lists.