(April 30, 1916 – August 11, 2014) was a Brazilian bishop of the Roman Catholic Church.

At his death he was one of oldest bishops in the Catholic Church and the oldest Brazilian bishop.

Círio was born in Calamandrana, Italy, in April 1916 and was ordained a priest on June 29, 1940, in the religious order of Oblates of St. Joseph.

On October 15, 1979, Círio was appointed Archbishop of the Archdiocese of Cascavel and remained there until his retirement on December 27, 1995.

This article about a Roman Catholic bishop from Brazil is a stub.