Simon Herlin is a French voice actor born on May 12, 1994, in Lille, France. He is primarily known for his extensive work in the dubbing of anime and animated series into French, though his career also encompasses live-action acting and stage performance as an improviser.

Herlin's voice can be heard in a wide array of prominent anime series, where he often takes on leading or significant supporting roles. He is the French voice of Sakuta Azusagawa in both the Rascal Does Not Dream of Bunny Girl Senpai television series and its sequel film, Rascal Does Not Dream of a Dreaming Girl. In the fantasy romance Fruits Basket, he voices Ayame Soma, a role he has reprised across multiple seasons including Fruits Basket 2nd Season and Fruits Basket the Final. He also appears in the acclaimed historical saga Vinland Saga, providing the voice for the character Ari.

His versatility extends across many genres. In the action series Classroom of the Elite II, he portrays Rokusuke Kōenji. He took on dual roles in the historical fantasy Shine on! Bakumatsu Bad Boys, voicing both Bô and Rashōmaru. Other notable credits include Aiden in Deep Insanity: The Lost Child, Ojiro Otori in Tribe Nine, Yūhi Amamiya in Lucifer and the Biscuit Hammer, and the character Mummy in My Hero Academia the Movie -Heroes: Rising-.

Herlin's filmography demonstrates a consistent presence in major anime franchises. He is the French voice of Tobio Kageyama in the Crunchyroll dub of Haikyu!! and its related films. He voices multiple characters across the Black Clover and Spy×Family series, and plays the recurring role of Beldia in the KonoSuba franchise. His range also includes voicing Jonathan Joestar in JoJo's Bizarre Adventure and Saki Hananoi in A Condition Called Love.

Beyond acting, Simon Herlin has expanded his role in the dubbing industry to include voice direction. According to his profile, he has served as a dubbing director for the French versions of several anime, including Reborn as a Vending Machine, I Now Wander the Dungeon, The Weakest Tamer Began a Journey to Pick Up Trash, and Wind Breaker. His career reflects a deep involvement in bringing Japanese animation to French-speaking audiences through both performance and creative leadership.