Catherine Laga'aia (born 17 December 2006) is an Australian actress. She is set to make her film debut in the title role of the live-action film Moana.
Laga'aia made her screen debut in the television series The Lost Flowers of Alice Hart (2023), appearing as a younger version of the character Candy.
In June 2024, Laga'aia was cast in the title role of Disney's live-action adaptation of Moana, opposite Dwayne Johnson.
Promotional material for the film, including trailers released in 2025 and 2026, featured Laga'aia in the lead role.
She has also been cast in the Australian thriller film Crashout, directed by Nick Annas.
Laga'aia is the daughter of actor and singer Jay Laga'aia.