Rubén Juancarlos Matamoros Montoya (born 19 August 1982) is a Honduran football player who currently plays for Pumas de San Isidro as a midfielder.
Matamoros had a couple of seasons with F.C. Motagua and then also played for Hispano F.C., Club Deportivo Olimpia and C.D. Necaxa.
In Summer 2012, Matamoros joined newly promoted C.D. Real Sociedad. He played the 2013 Clausura for second division side Pumas de San Isidro.