José Protasio Rizal Mercado y Alonso Realonda was a Filipino nationalist, writer and polymath active at the end of the Spanish colonial period of the Philippines. He is considered a national hero of the Philippines. An ophthalmologist by profession, Rizal became a writer and a key member of the Filipino Propaganda Movement, which advocated political reforms for the colony under Spain.

Francisco Engracio Rizal Mercado y Alejandro was the father of the Philippines' national hero Jose Rizal. He was born in Biñan, Laguna. He had a wife named Teodora Realonda y Quintos and had 11 children altogether.