Latvia participated in the Eurovision Song Contest 2023 in Liverpool, United Kingdom, with "Aijā" performed by Sudden Lights.

Latvia had failed to qualify to the final for five consecutive contests since 2017, including with their 2022 entry "Eat Your Salad" performed by Citi Zēni.

[2] Supernova 2023 was the eighth edition of the national final format used to select Latvia's entry for the Eurovision Song Contest.

The two shows in the competition took place at the LTV Studio 6 in Riga, hosted by Ketija Šēnberga and Lauris Reiniks and broadcast on LTV1 as well as online via the streaming platform Replay.lv and the official Supernova website supernova.lsm.lv.

The panel consisted of:[4] On 21 September 2022, the broadcaster opened the song submission for artists to apply, with the deadline set for 1 December 2022.

In the semi-final, 14 acts competed and the top ten entries qualified to the final based on the combination of votes from a jury panel and the Latvian public.

[11] In addition to the competing entries, the show featured guest performances from Eurovision Song Contest 2019 winner Duncan Laurence, and Elīza Legzdiņa and Beanie from Rudimental.

On 31 January 2023, an allocation draw was held, which placed each country into one of the two semi-finals, and determined which half of the show they would perform in.

[16] The two semi-finals and the final were broadcast in Latvia on LTV1 with all shows featuring commentary by Toms Grēviņš [lv] and Lauris Reiniks.

[18] Lead singer of Sudden Lights, Andrejs Reinis Zitmanis, stated "the stage is grand, the sound is fantastic, this is exactly what we hoped to see at the big competition.

[19] At the end of the show, Latvia was not announced among the top 10 entries in the first semi-final and therefore failed to qualify to compete in the final.

Each nation's jury consisted of five music industry professionals who are citizens of the country they represent, with their names published before the contest to ensure transparency.

This jury judged each entry based on: vocal capacity; the stage performance; the song's composition and originality; and the overall impression by the act.