Thalia Besson (born August 1, 2001) is a French actress and model. She is the daughter of French filmmaker Luc Besson.
She was born in France, and graduated from Parsons Paris with a Bachelor of Business Administration (BBA) in Strategic Design and Management in 2023.
She made appearances in Valerian and the City of a Thousand Planets (2017) and Arthur, malédiction (2022). She played the role of Tabitha in Dangerous Waters in 2023. She filmed apocalypse love story When I'm Ready in 2022.
In 2023, she was cast in the fantasy horror film Triton alongside Raff Law and Freya Allan. In 2024, she had the role of Geneviève in season four of Netflix series Emily in Paris. Her character was described as the show's "first villain".
She is the daughter of Canadian-French film producer Virginie Besson-Silla and French filmmaker Luc Besson. As well as acting, she has worked as a model.