Bertilla, Bertille or Bertila may refer to:
Bertille of Thuringia (died ) Bertilia (died 687), also called Bertilla, Frankish virgin saint Berthild of Chelles (died 692), also called Bertilla, Frankish abbess (died ) Bertila of Spoleto (died 915), queen consort of Italy Bertil Almqvist (1902–1972), nicknamed Bertila, Swedish writer and illustrator