Ireland was represented at the Eurovision Song Contest 1966 with the song "Come Back to Stay", written by Rowland Soper, and performed by Dickie Rock. The Irish participating broadcaster, (RÃÂ), selected its entry through a national final.
The second edition of the National Song Contest was held on Tuesday 25 January 1966 by RÃÂ TV in Dublin. 12 songs were drawn out of the 500 songs that were submitted. Brendan O'Reilly was the host. The national final was broadcast on and .
Ireland started at placement 17th at the end of the start field and finished 4th place with 14 points.