Henry O'Donnell (born 17 February 2003) is an Australian professional rugby union player.
Raised in Sydney, O'Donnell got his start in rugby with the Mosman juniors and was a first XV player for Saint Ignatius' College, Riverview.
He pursued further studies at Sydney University and in 2022 was named the varsity side's "Most Promising Colt Player".
In 2023, O'Donnell switched to Northern Suburbs and during the season was selected to represented the Junior Wallabies at the World Rugby U20 Championships in South Africa, where he scored four tries.
[2] He made his debut in round seven of the 2024 Super Rugby Pacific season, coming on from the bench against the Blues at Eden Park.