A Dáil by-election was held in the constituency of Dublin North-Central in Ireland on Thursday, 14 November 1957, to fill a vacancy in the 16th Dáil. It followed the death of Fianna Fáil Teachta Dála (TD) Colm Gallagher on 26 June 1957.
The writ of election to fill the vacancy was agreed by the Dáil on 23 October 1957.
The by-election was won by the independent candidate Frank Sherwin.