Chile in the OTI Festival 1984
Chile was represented at the OTI Festival 1984 with the song "Agualuna", written and performed by Fernando Ubiergo. The Chilean participating broadcasters, Televisión Nacional de Chile, Universidad Católica de Chile Televisión, and Universidad de Chile Televisión, jointly selected their entry through a televised national final. The song, that was performed in position 10, placed first out of 21 competing entries, winning the festival.
National stage
Televisión Nacional de Chile, Universidad Católica de Chile Televisión, and Universidad de Chile Televisión, held a national final jointly to select their entry for the 13th edition of the OTI Festival. Eight songs were shortlisted for the televised final, from the 114 received.| Song | Artist | Songwriter | Conductor |
| "Agualuna" | Fernando Ubiergo | Fernando Ubiergo | Pancho Aranda |
| "Cantemos mañana guitarra" | Miguel Piñera | María Gloria Garay | |
| "Déjame vivir" | Pachy Salgado | Edgardo Riquelme | |
| "El bostezo de la paz" | Ricardo de la Fuente | Ricardo de la Fuente | |
| "Hombrecitos" | |||
| "Lo que es el amor" | Jorge Caraccioli | Sergio Gormaz | Miguel Zabaleta |
| "Versos para un mañana" | Héctor Molina | ||
| "Y nada más" | Soledad Guerrero | Carlos Grunwald |
National final
The broadcasters held the national final on Friday 12 October 1984, beginning at 21:30 CLST, at the in Santiago. It was staged by UTV, presented by and Pamela Hodar, and broadcast on TVN's Canal 7, UCTV's Canal 13, and UTV's Canal 11. The show featured guest performances by the Antumapu ballet and.The members of the jury, who voted secretly, were: Juan José Pellegrini, Jorge Pedreros,, Vicente Bianchi, and.
The winner was "Agualuna", written and performed by Fernando Ubiergo; with "Y nada más", written by and performed by Soledad Guerrero, and "Lo que es el amor", written by Sergio Gormaz and performed by Jorge Caraccioli, both placing second.
| Song | Artist | Result | |
| "Agualuna" | Fernando Ubiergo | 1 | |
| "Y nada más" | Soledad Guerrero | 2 | |
| "Lo que es el amor" | Jorge Caraccioli | 2 | |
| "El bostezo de la paz" | Ricardo de la Fuente | ||
| "Cantemos mañana guitarra" | Miguel Piñera | ||
| "Hombrecitos" | |||
| "Déjame vivir" | Pachy Salgado | ||
| "Versos para un mañana" | Héctor Molina |
At the OTI Festival
On 10 November 1984, the OTI Festival was held at the National Auditorium in Mexico City, Mexico, hosted by Televisa, and broadcast live throughout Ibero-America. Fernando Ubiergo performed "Agualuna" in position 10, with Pancho Aranda conducting the event's orchestra. The song received 27 points in the first round and advanced to the three-song superfinal, where it placed first winning the festival.The festival was broadcast on TVN's Canal 7, UCTV's Canal 13, and UTV's Canal 11 on delay at 21:30 CLST.