Ireland competed in the Junior Eurovision Song Contest 2023, which was held on 26 November 2023 in Nice, France.

[1] Irish broadcaster TG4 again used the televised national final Junior Eurovision Éire to select the artist, which was won by Jessica McKean.

As with the past two editions of the contest, the participants in Junior Eurovision Éire performed Irish-language cover versions of famous songs during the competition.

As in previous editions, the results of the four heats and semi-final were decided by an in-studio jury of two permanent members and revolving guest judges.

After their second performances, the jury members selected Jessica as the winner, granting her a spot in the semi-final.

After their second performances, the jury members selected Niamh Beatrix as the winner, granting her a spot in the semi-final.

Clare Keeley and Niamh Beatrix Mith were both chosen by the jury to advance directly to the final.

Jessica McKean and Liza O'Neil were both chosen to go through the sing-off stage and performed their covers a second time.

[10] The Junior Eurovision Song Contest 2023 took place at Palais Nikaïa in Nice, France on 26 November 2023.

The second phase of the online voting took place during the live show and began right after the last performance and was open for 15 minutes.