Guylaine Gibert is a voice actor associated with the French dubbing of anime and animated series. Her career encompasses a wide range of roles in productions aimed at children and young audiences, as well as work in film dubbing and adaptation.

Gibert's voice work is extensive, particularly in anime series dubbed in France and Belgium. She is known for providing the French voice for the character Takina Inoue in the television series Lycoris Recoil. Another prominent role is that of the title character in the anime adaptation of Pinocchio, titled The Adventures of Pinocchio. She also voiced the protagonist in the series Sindbad the Sailor. Her work includes the role of Jean in Anime Sanjushi, an adaptation of The Three Musketeers. In the fantasy OVA series Shadow Skill and its sequel Shadow Skill 2, she voiced the character Elle Ragu. Her filmography from the late 1980s and 1990s includes the role of Aki Sawamoto in the Junk Boy OAV, the character Flo in the series Swiss Family Robinson, and the voice of the titular panda in Tao Tao Ehonkan.

Beyond these roles, Gibert has contributed to numerous other projects. She has an extensive list of credits within the Pokémon franchise. Her roles in various Pokémon series and films include being the first voice for Officer Jenny and providing voices for characters such as Max in Pokémon Advanced, Melody in Pokémon 2000 - The Movie, and Cynthia in Pocket Monsters: Diamond & Pearl, among many others. She is also recognized as the first French voice for the character Bo in the Shin chan series. Her other anime credits include roles in Nils Holgersson, Mirmo Zibang!, Rokka: Braves of the Six Flowers, and films such as Tokyo Godfathers and Millennium Actress.

In addition to her on-screen voice work, Gibert has been involved in the behind-the-scenes aspects of dubbing. She has served as a dubbing director for several films, including Cowboy Bebop: The Movie, Millennium Actress, and Tokyo Godfathers. She has also contributed to French adaptations and script writing for series like Pokémon, Yu-Gi-Oh!, and Shin chan.