Selección de la Canción Puertorriqueña (OMSC 10)

Selección de la Canción Puertorriqueña (OMSC 10) was the 1ˢᵗ edition of the Puerto Rican music competition Selección de la Canción Puertorriqueña and was held between the 21ˢᵗ and the 25ᵗʰ February 2021. Seven artists participated in this edition of the contest hoping to represent their country, Puerto Rico, at the OMSC 10.

The winner of the contest were Bad Bunny and Rosalía with the song "La Noche De Anoche", sung in Spanish. They represented Puerto Rico in OMSC 10 in Heraklion, Greece, but unfortunately they didn't qualify for the final, placing last in their semi-final with 53 points, and 45ᵗʰ out of 46 participating countries overall.

Format
Selección de la Canción Puertorriqueña (OMSC 10), organised by Corpración de Puerto Rico para la Difusión Pública (CPRDP), was the first edition of the contest to determine the Puerto Rican representative/s for OMSC 10. There was an artist for each region of Puerto Rico but only the South Region had a qualification duel and was held on the 21ˢᵗ February 2021. The final of Selección de la Canción Puertorriqueña (OMSC 10) was held on the 25ᵗʰ February 2021, in Ponce.

Voting
The televote influenced the results at 100%, as the voting consisted uniquely in public votes.

After the artists' performances, the televoting was opened and after votes were casted, it was closed and the qualifiers, during the semi-final, and the winner, during the final, were announced.

Competing Entries
The seven competing entries were announced to the public on the 21ˢᵗ February 2021.

South Region's Duel
The South Region's duel took place on the 21ˢᵗ February 2021 in Ponce and the winner advanced to the final.

Final
The final took place on the 25ᵗʰ February 2021 also in Ponce.