Æthelthryth (or Æþelðryþe; about 636 – June 23, 679) is the name for the Anglo-Saxon saint known, particularly in a religious context, as Etheldreda or Audrey. She was an East Anglian princess, a Fenland and Northumbrian queen and Abbess of Ely.

Æthelthryth (or Æþelðryþe; about 636 – June 23, 679) is the name for the Anglo-Saxon saint known, particularly in a religious context, as Etheldreda or Audrey. She was an East Anglian princess, a Fenland and Northumbrian queen and Abbess of Ely.