List of settlements on the island of Ireland by population

This is a list of the 60 largest towns and cities on the island of Ireland by population. It therefore includes towns and cities in both the Republic of Ireland and Northern Ireland. The population figures listed are for the urban area around each settlement excluding areas that fall within the boundary of another town or city. The figures for Northern Ireland towns are based on the preliminary 2021 Northern Ireland Census, while the figures for the Republic are based on the 2022 Census. Settlements in bold have city status.