Pedro Alejandro Paterno y de Vera Ignacio, also spelled Pedro Alejandro Paterno y Debera Ignacio (born on February 17, 1857 - died on April 26, 1911; in some references the birth date is February 27, 1858 while the death date is March 11, 1911) was a Filipino politician who has been called "the greatest turncoat in Philippine history." He was also a poet and novelist.'His intervention on behalf of the Spanish led to the signing of the Pact of Biak-na-Bato on December 14, 1897, an account of which he published in 1910.