Cuco Valoy (born in Santo Domingo, Dominican Republic in 1937) is Dominican salsa, son montuno and merengue singer. He began performing Cuban son with his brother Martín, under the name Los Ahijados. Cuco is the father of Ramón Orlando with whom he formed the band Los Virtuosos, 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.
In 2009 Valoy introduce a new song La Piedra.