Nathalie Bleynie is a French voice actress known for her extensive work in the dubbing of anime series and films for the French-language market. Her career spans several decades, during which she has lent her voice to a wide variety of characters across numerous genres.

Bleynie's filmography includes some of the most prominent anime titles released in France. She is recognized for her role as Agnès Joubert in the superhero series Tiger & Bunny and its sequel, Tiger & Bunny 2. In the cyberpunk OVA Cyber City Oedo 808, she voiced the character Remi Masuda. Her work in the magical girl genre includes the role of Fuu in the OVA series Rayearth, as well as the voice of Princess Emeraude. In the horror-occult OVA Doomed Megalopolis, she voiced Yukari Tatsumiya.

Her body of work demonstrates recurring collaborations with the French dubbing industry, providing voices for a broad spectrum of productions. She has contributed to long-running and popular series such as One Piece, where she voices the character Kiwi. Her credits also include major roles in Cardcaptor Sakura, where she voiced several characters including Sakura's mother, Nathalie; the science fiction series Noir as Shaoli, Paulette, and Valène; and the mecha anime Mobile Suit Gundam Seed as Julie Wu Nien. Other notable credits include roles in Monster, Paranoia Agent, My-HiME, and Initial D.

In addition to her extensive anime voice work, Nathalie Bleynie has also acted in live-action French television series, with appearances in shows such as Joséphine, ange gardien, Commissaire Cordier, and Avocats & associés. Her career is marked by a consistent presence in the French dubbing industry, contributing to the localization of a wide range of animated works for French audiences.