Editing Helena, mother of Constantine I (section)

=== Modern fiction ===
Helena is the protagonist of [[Evelyn Waugh]]'s 1950 novel ''[[Helena (Waugh novel)|Helena]]''. She is also the main character of ''[[Priestess of Avalon]]'' (2000), a [[fantasy]] novel by [[Marion Zimmer Bradley]] and [[Diana L. Paxson]]. She is given the name Eilan and depicted as a trained [[priest]]ess of [[Avalon]].

Helena is also the protagonist of [[Louis de Wohl]]'s novel ''The Living Wood'' (1947) in which she is again the daughter of King Coel of Colchester. In the 2021 novel Eagle Ascending by Dan Whitfield she is depicted as having lived to age 118 as result of the powers of the True Cross.<ref>{{Cite book|last=Whitfield|first=Dan|title=Eagle Ascending|publisher=Touch Point Press|year=2021|isbn=978-1-952816-51-2|location=United States}}</ref>