Dublin Bay North is a parliamentary constituency that has been represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas, since the 2016 general election.

The method of election is proportional representation by means of the single transferable vote (PR-STV).

[1] The report proposed changes to the constituencies of Ireland so as to reduce the total number of TDs from 166 to 158.

[4][5] The Electoral (Amendment) Act 2023 defines the constituency as:[6] and, in the county of Fingal, the electoral divisions of: Note: The columns in this table are used only for presentational purposes, and no significance should be attached to the order of columns.

^ *: Outgoing TD The constituency was dubbed the "group of death" by media because of the large number and high profile of candidates, the close contest, and the protracted nature of the count.