Nathalie Hugo is a Belgian actress primarily known for her extensive work in voice dubbing for animated series and films. Her career is marked by lending her voice to a wide array of characters in numerous anime and Western animation productions for French-language audiences.

Hugo's voice can be heard in several major anime series. She is notably recognized for her roles within the Naruto franchise, where she voiced the character Haku and Anko Mitarashi in the original Naruto series. In Naruto Shippūden, she continued as Anko Mitarashi and took over the role of Sakura Haruno for a significant portion of the series, covering episodes 154 to 208. This role extended to the film Naruto Shippuden: The Lost Tower and the special Naruto Special: Battle at Hidden Falls. I Am the Hero!. Her other prominent anime credits include voicing Hikaru Shido and Mokona in Magic Knight Rayearth and its sequel, Gidget in Eureka Seven, and Rika Sena in His and Her Circumstances. More recently, she has voiced the character Yamato in the long-running series One Piece.

Beyond these roles, Hugo has demonstrated her range across different genres and series. She is the voice of Dianthéa in the Pokémon anime, appearing in Pokémon XY, Pokémon XY & Z, and Pokémon Journeys: The Series. She also voices characters in series such as Aishiteruze Baby, Bungo Stray Dogs, and Seirei Gensouki - Spirit Chronicles. In addition to her anime work, she is widely recognized as the French voice of Pinkie Pie in the popular animated series My Little Pony: Friendship Is Magic and its related films, a role she has played for many years. This recurring collaboration with the My Little Pony franchise represents one of her most enduring and high-profile voice roles.