Julia Moriarty (born 3 December 1988) is a former professional Australian tennis player.

She has career-high WTA rankings of 615 in singles and 486 in doubles.

[1] She competed for the Ireland Fed Cup team in 2010 and 2011, and accumulated a win-loss record of 7–6, before she returned to representing Australia.

She holds dual Irish and Australian citizenship through her paternal grandfather, who was originally from Tralee, County Kerry.

[4] Moriarty has been coached by Garry Cahill and her favourite surface was hardcourt.