Luke Willian (born 11 October 1996) is an Australian triathlete.

From Hawthorne, Queensland,he has been coached by Warwick Dalziel since he was eleven years old.

He won junior cross country at St Laurence's College.

[2][3] He made his senior Australian debut at the 2018 Commonwealth Games.

[6] With that result, he received an automatic nomination to compete at the 2024 Paris Olympics.