Mario Antonio Cargnello (born 20 March 1952) is an Argentinian clergyman.

On 7 Apr 1994 he was appointed as Bishop of Orán and was later ordained on 24 Jun 1994.

Pope John Paul II appointed him as Coadjutor Archbishop of Salta on 24 June 1998.

[1][2] In November 2011, he was elected as the second vice president to the Argentine Episcopal Conference.

This article about a Roman Catholic archbishop from Argentina is a stub.