Saint Aelina (died 1125) was a French Benedictine nun canonized as a saint by the Roman Catholic Church. She was a noblewoman of Normandy, the sister of Saint Vitalis, and a granddaughter of William the Conqueror. She became the abbess of the Benedictine convent in La Blanche in Normandy, a religious community founded by her brother. Her feast day is celebrated on October 20.