Cuco Valoy (born January 6, 1937, in Manoguayabo, Santo Domingo, Dominican Republic) is a Dominican Republic singer, songwriter, percussionist and guitarist, who is versatile in salsa, son montuno, guaracha and merengue. He began performing with his brother Martín, under the name Los Ahijados. Valoy is the father of Ramón Orlando, with whom he formed the band Los Virtuosos, later changed to La Tribu. He is widely known for the song "Juliana", which was covered by the group DLG; a cover that featured Valoy's vocals.