'''Ottilia''' is a feminine name and may refer to:
==People (given name)== *Ottilia Adelborg (1855–1936), Swedish children's book illustrator *Ottilia Borbáth (born 1946), Romanian actress *Ottilia Littmarck (1834–1929), Swedish actress and theatre director *Ottilia Reizman (1914–1986), Russian camerawoman and filmmaker *Saint Ottilia, previously Odile of Alsace (c. 662 – c. 720), Roman Catholic saint
==Other== *401 Ottilia, a large main-belt asteroid
==See also== *Ottilie
{{Disambiguation|given name}}