Justin Rafael Quiles Rivera (born March 29, 1990) is an American singer and songwriter. He specializes in reggaeton, although his repertoire also includes genres such as Latin pop and Latin trap.

Quiles has been nominated for Premios Juventud. Besides writing his own songs, Quiles has written for his colleagues, most notably "Pierde Los Modales", by J Balvin feat. Daddy Yankee, "Take It Off", by Lil Jon feat. Yandel & Becky G, "Recuérdame", by Maluma, "Loba" and "Mi Nena", by Yandel, "Downtown" by Anitta feat. J Balvin and "Bichota", by Karol G where he also did backing vocals.

Since August 2013, Quiles has been signed to record label Rich Music. In February 2017, Rich Music and Quiles signed a distribution deal with Warner Music's Latin division.