Diana Ong is a Singaporean artist born in 1940. She is known for her abstract paintings that explore the relationship between color, form, and texture. Ong studied at the Nanyang Academy of Fine Arts in Singapore and later at the Royal College of Art in London. She has exhibited her work in numerous solo and group exhibitions in Singapore, Malaysia, and the United Kingdom. Ong's work has been collected by the National Museum of Singapore, the Singapore Art Museum, and the National University of Singapore. She has also been awarded the Cultural Medallion, Singapore's highest cultural award, in 1990. Ong's art is characterized by her use of bold colors and gestural brushstrokes, which create a sense of movement and energy in her paintings. Her work is often inspired by nature and the environment, and she has been a strong advocate for environmental conservation in Singapore.