Alfonso Angel Yangco Ossorio (August 2, 1916 – December 5, 1990) was a Filipino American abstract expressionist artist who was born in Manila in 1916 to wealthy Filipino parents from the province of Negros Occidental. His heritage was Hispanic, Filipino, and Chinese. Between the ages of eight and thirteen, he attended school in England. At age fourteen, he moved to the United States. Ossorio attended Portsmouth Priory (now Portsmouth Abbey School) in Rhode Island, graduating in 1934. From 1934 to 1938, he studied fine art at Harvard University and then continued his studies at the Rhode Island School of Design. He became an American citizen in 1933 and served as a medical illustrator in the United States Army during World War II.