Ireland in The Song 4

Ireland participated in The Song 4 in Florence, Italy. The Irish broadcaster, RTE, selected their entry via a national selection. The winning entry was "Can't Say No", performed by Wild Youth, written by Philip Plested, Conor O'Donohoe, Matthew Holmes and Philip Leigh.

Participation
On September 27, RTE announced that they would once again be holding a national selection to select their entry.

Eurosong
The twelve songs were split into two semi-finals, with the top three songs from each progressing to the final, as well as a Wildcard reserved for the highest scoring 4th place song.

The national selection featured several artists that had previously participated in Ireland's national selections. Both Pillow Queens and Nadine Coyle previously competed in the national selection for The Song 2. The Academic also competed in the selections for The Song 2 and The Song 3, where it won the national selection with the song "Why Can't We Be Friends?", placing 4th in the previous edition of the competition.

Also competing were Ryan Ennis and MICHAELA with their song "Close", which was had been originally chosen to represent Lebanon in The Song 3, but was subsequently disqualified after the removal of the Head of Delegation from the position. The new Irish Head of Delegation chose to reuse "Close" as part of this selection.

Semi-final 1
Wild Youth, The Academic and JC Stewart qualified for the final. Ryan Ennis and MICHAELA were awarded a Wildcard to the final after the qualifiers for Semi-final 2 were announced. {{Legend|#ffdead|Qualified}} {{Legend|silver|Wildcard}}

Semi-final 2
Lenii, Aonair and Caoi De Barra, and Pastiche qualified for the final. {{Legend|#ffdead|Qualified}}

Final
Wild Youth won the final with their song "Can't Say No". Placing 2nd, JC Stewart was selected to compete in The Song Second Chance 4 with his song "Scars". {{Legend|gold|Winner}} {{Legend|paleturquoise|The Song Second Chance}}