Etheldreda is an English feminine given name of Old English origin, Æðelþryð, signified ''noble, strength''.
Notable people named Ethelreda, Etheldreda or Etheldritha include:
Æthelthryth (c. 636–679), also known as Ethelreda, Anglo-Saxon saint, East Anglian princess, a Fenland and Northumbrian queen and Abbess of Ely Ælfthryth of Crowland (died c. 835), also known as Etheldritha, Anglo-Saxon saint, daughter of King Offa of Mercia Ethelreda (daughter of Gospatric), 11th century daughter of Gospatric, Earl of Northumbria, and wife of Duncan II of Scotland Ethelreda Ethel Baxter (1883–1963), Scottish cook and businesswoman Etheldreda Laing (1872–1960), British photographer Ethelreda Leopold (1914–1998), American film actress Ethelreda Malte (c. 1527/35–c. 1559), English courtier reputed to be an illegitimate daughter of King Henry VIII Etheldreda Nakimuli-Mpungu (born 1974), Ugandan professor, researcher, epidemiologist and psychiatrist Etheldreda Townshend (1708–1788), English society hostess Etheldreda, a character in the Demonbane visual novel, anime and manga series Demonbane
See also Æthelred