A Dáil by-election was held in the constituency of Galway East in Ireland on Thursday, 3 December 1964, to fill a vacancy in the 17th Dáil. It followed the death of Clann na Talmhan Teachta Dála (TD) Michael Donnellan on 27 September 1964.
The writ of election to fill the vacancy was agreed by the Dáil on 5 November 1964.
The by-election was won by the Fine Gael candidate John Donnellan, son of the deceased TD, Michael Donnellan.
Result
References