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. The semi-finals were held respectively on the 20ᵗʰ and 21ˢᵗ February 2021 while the final was held on the 22ⁿᵈ February 2021. They were both held in the capital of Micronesia, Palikir. The two favourite entries from each semi-final advanced directly to the final.