Sadiel Cuentas (born 17 September 1973) is a Peruvian composer of contemporary classical music.

In 2006, his Cadenza, introducción y allegro was awarded an honorary mention in Peru National Conservatory's 2006 composition contest.

Via de la Croce was awarded an honorary mention in the Asociación Peruano China Choral Composition contest in 2007.

[3] Cuentas has written four chamber operas and a musical with Peruvian librettist Martiza Núñez.

[10] His work Tráfico was premiered in Canberra, Australia in October 2015, by the Deconet Duo, which commissioned the composition.