Jacob Halangahu (born 26 August 2006) is an Australian professional rugby league footballer who plays as a forward for the St. George Illawarra Dragons in the National Rugby League.
Halangahu attended Patrician Brothers Blacktown, captaining the team. He was named for the 2024 Australian Schoolboys team as captain and was selected for NSW U19's Origin team starting at Second-Row. Halangahu came through the junior system for St. George Illawarra, being involved in the Dragons first SG Ball title in 30 years.
In Round 23 2025, Halangahu made his NRL debut for the Dragons against the Cronulla Sharks. Coming off the bench in a 22âÂÂ14 win at Netstrata Stadium.