Isabel Quintanilla was a Spanish artist known for her painting in the genres of still life, everyday life, and landscape paintings. She was associated with new Spanish realism and studied at the Escuela Superior de Bellas Artes de San Fernando, and the Universidad Complutense de Madrid. Her notable peers included Antonio López García, Maria Moreno López, Amalia Ava, and Esperanza Parada. Born in 1938 in Madrid, Spain, she lived and worked in Madrid, Spain. Her works have been exhibited at the Thyssen-Bornemisza Museum. Quintanilla passed away in 2017 in Madrid, Spain.