Maryne Bertieaux is a French actress who is primarily known for her extensive work in voice acting, providing the French-language voices for characters in numerous animated films and television series. Her voice can be heard in French dubs of major international and Japanese animated productions.

Bertieaux has lent her voice to several prominent roles in anime films. She voiced the lead character of Mary in the French dub of the Studio Ponoc film Mary and the Witch's Flower. She also voiced Hina Amano, the heroine of the Makoto Shinkai film Weathering With You. Other notable anime roles include providing the voice of Yuki in Wolf Children, and Saki in the animated series Yasuke. She was also part of the French voice cast for the animated film Flavors of Youth.

In addition to her work in anime, her voice acting credits include the role of Maureen Murphy in the French version of the animated series F is for Family and the voice of Maya in a 3D adaptation of Maya the Bee. She also voiced the character Carmen in the 2023 animated film Sirocco et le Royaume des courants d'air.

Beyond voice work, Bertieaux is also a stage and screen actress. Her training includes time at the Conservatoire Départemental Jean Wiener de Bobigny and various acting workshops. Her on-screen appearances include roles in French television series such as Les Petits Meurtres d'Agatha Christie, Alice Nevers, and Baron Noir, as well as films like Illusions perdues. Her work in dubbing, however, remains a significant and visible part of her career, bringing characters from international animation to French-speaking audiences.