Nathalie Bleynie is a French voice actor known for her extensive work in the dubbing of anime series and films for the French market. Her career encompasses a wide range of roles in anime produced from the 1990s through the 2020s, demonstrating her longevity in the industry.

Bleynie has voiced numerous major characters in popular anime series. One of her notable leading roles is Haré in the series Haré+Guu. She also voiced Fuu and Princess Emeraude in the OAV series Rayearth, and Alyssa Searrs and Chie Harada in My-Hime. In the magical girl genre, she contributed multiple voices to Cardcaptor Sakura, playing Mlle Moreau, Nadine, and Nathalie, the mother of the protagonist Sakura. Her role as Sumire Kanzaki and Kaede Fujieda in Sakura Wars: The Movie further showcases her presence in major anime film dubs. In the long-running series One Piece, she voiced the character Kiwi.

Her body of work features recurring collaborations with specific anime franchises. She voiced Ririn in both Saiyuki and Saiyuki Reload. She took on the role of Agnès Joubert in both seasons of Tiger & Bunny. Bleynie also had multiple roles in the various installments of City Hunter and Lupin III. Her work on Gundam Seed included voicing Julie Wu Nien, Birdy, and Haro. She frequently worked on dubs for series from studios like Madhouse and Production I.G, with roles in Noir, Paranoia Agent, and Monster, among others.

Throughout her career, Bleynie has achieved the distinction of being a familiar voice in French dubs of critically acclaimed and wide-release anime. Her film credits include voicing Olympias in Reign: The Conqueror and Yoko in Armitage: Dual-Matrix. She also had a role in the French dub of the Academy Award-nominated film The Tale of the Princess Kaguya. Her work continued into the 2020s, demonstrating a sustained and active career in anime voice acting.