Teodora Alonso Realonda y Quintos was a wealthy woman in the Spanish colonial Philippines. She was best known as the mother of the Philippines' national hero Jose Rizal. Realonda was born in Santa Cruz, Manila. She was also known for being a disciplinarian and hard-working mother. Her medical condition inspired Rizal to take up medicine.

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.