Sotero Sanz Villalba (22 April 1919 – 17 January 1978) was a Spanish prelate of the Catholic Church who worked in the diplomatic service of the Holy See.
He studied at the diocesan seminaries of Tarazona and Tudela and at the Pontifical University of Comillas, where he received his doctorate in canon law.
[3] On 16 July 1970, Pope Paul VI named him Titular Archbishop of Emerita Augusta and Apostolic Nuncio to Chile.
He received his episcopal consecration from Cardinal Vicente Enrique y Tarancón, Archbishop of Toledo, on 12 September in the Basilica of Pilar in Zaragoza.
[1] While making preparations to move to Mexico, his illness suddenly worsened and he died on 17 January 1978 in Catholic University Hospital in Santiago de Chile at the age of 58.