Oscar Roberto Castellano (born September 15, 1948 in Lobería, Buenos Aires Province), is an Argentine racing driver.

He won the Turismo Carretera championship in 1987, 1988 and 1989.

[1] His son, Jonatan Castellano, is a driver in Turismo Carretera and Turismo Nacional.

Together they lead the Castellano Power Team.

This biographical article related to Argentine auto racing is a stub.