Justin Rafael Quiles Rivera (born March 29, 1990), known professionally as Justin Quiles or J Quiles, is an American reggaeton singer. 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 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.