Óscar Adrián Rojas Castillón (born 2 August 1981) is a Mexican former professional footballer who played as a right-back.

Rojas was trained in América's youth system and made his debut in the Invierno 2001 season against Celaya.

After 2 seasons of little activity with América, he was transferred to San Luis where he became an instant starter.

Rojas returned to América for the Apertura 2004 season.

This biographical article related to a Mexican association football defender is a stub.