The name Ealdgyth (Old English: Ealdgȳð; sometimes modernized to Aldith, may refer to
Ealdgyth, daughter of Uhtred the Bold, Earl of Northumbria (died 1016)
Ealdgyth (floruit 1015–1016) (born c. 992), wife of Sigeferth and then of King Edmund Ironside
Ealdgyth, wife of the thane Morcar (died 1015)
Ealdgyth, daughter of Earl Ælfgar (fl. c. 1057 – 1066), wife of Gruffudd ap Llywelyn and later of Harold Godwineson
Edith Swanneck (c. 1025 – c. 1086), concubine of Harold Godwineson
Ealdgyth of Wallingford, daughter of Wigot and wife of Robert D'Oyly (died 1091)
