Prospero Nale Arellano (January 17, 1937 – February 1, 2014) was a Filipino Roman Catholic bishop. Ordained to the priesthood in 1963, Arellano was appointed bishop of the Roman Catholic Diocese of Libmanan, Philippines in 1989 and resigned in 2008. References 1937 births 2014 deaths 21st-century Roman Catholic bishops in the Philippines 20th-century Roman Catholic bishops in the Philippines