Marina de Guevara (died 1559), was a Spanish nun. Accused of being a Lutheran by the Spanish Inquisition, she was executed in the famous auto da fe in Valladolid on 8 October 1559.Idígoras, José Ignacio Tellechea (2004). Doña Marina de Guevara, monja cisterciense luterana?: edición y comentario de un proceso inquisitorial. Fundación Universitaria Española. ISBN 978-84-7392-572-3.
