Archbishop Edmundo Ponziano Valenzuela Mellid SDB (born 19 November 1944) is a Roman Catholic missionary currently serving in Paraguay as the sixth Metropolitan Archbishop of the Archdiocese of Asunción.

On February 13, 2006, he was appointed by Pope Benedict XVI as Apostolic Vicar to Chaco Paraguayo, an area with a population of 18,000 but only 5 ordained priests.

Prior to this appointment, Valenzuela served as a high-profile missionary in Angola.

Valenzuela was ordained a priest of the Salesians of Don Bosco in 1977.

[2][excessive citations] He received the archiepiscopal pallium from Pope Francis on 29 June 2015 at St. Peter's Basilica, Vatican City.