Valentín de la Asunción Zubizarreta y Unamunsaga, OCD (Etxebarria, 2 November 1862 – 26 February 1948)[1] was a Cuban prelate of the Catholic Church, born in the Basque Country.

[2][3] In 1879, he entered the novitiate of the Discalced Carmelites in Larrea, and upon first profession of vows, took the name of Valentín de la Asunción.

[3] On 3 January 1916 Zubizarreta was appointed apostolic administrator of the Diocese of Cienfuegos,[2] the episcopacy of which was vacant upon Bishop Antonio Torres y Sanz.

[2][4] On 28 January 1925, Bishop of Santiago de Cuba Feliz Ambrosio Guerra Fezza, SDB, resigned, and Zubizarreta was appointed apostolic administrator.

[3] Despite his advanced age, Zubizarreta traveled extensively through his large archdiocese, and made frequent trips to Havana by plane.

[3] He was buried on Saturday, 28 February at St. Ifigenia Cemetery in Santiago de Cuba, after a procession from the cathedral drawing crowds estimated at 40,000[3] to 85,000 people.