Jay Griff is a professional alias used by American voice actor Jason Adam Griffith, who has been active in the anime dubbing industry since the early 2000s. Under this name, he is recognized for providing the English voice of Prince Richard in the series The Legend of Snow White, a role that appears in the recap film version of that show. He is also sometimes credited simply as J. Griff.

Griffith began his voice acting career working extensively for the 4Kids Entertainment dubbing studio, where he became known for voicing some of the most prominent characters in English-localized anime. He is best known as the voice of Sonic the Hedgehog and Shadow the Hedgehog in the anime series Sonic X, a role he later reprised in numerous Sonic the Hedgehog video games from 2005 to 2010. During this period, he also voiced Usopp and Yasopp in the 4Kids English dub of One Piece.

His career includes many long-running roles in the Pokémon anime franchise. He voiced the Gym Leader Cilan in Pokémon Black & White and its related sequels and films, and also provided voices for characters such as Brawly, Looker, and Sir Aaron in Pokémon: Lucario and the Mystery of Mew. In the Yu-Gi-Oh! franchise, Griffith voiced Atticus Rhodes in Yu-Gi-Oh! GX, Nistro and Caswell Francis in Yu-Gi-Oh! ZEXAL, and additional voices in other series.

Griffith has frequently collaborated with dubbing studios such as 4Kids Entertainment, NYAV Post, and DuArt Film and Video. His later anime voice credits include Snake in the Netflix dub of Vinland Saga, Keita Ibuki in Kurokami: The Animation, Tsukasa Kazuki in Romantic Killer, and Tadakiyo Kudō in My Happy Marriage. His notable achievements include being the longstanding English voice of one of gaming's most iconic mascots, Sonic the Hedgehog, for five years, as well as accumulating over two hundred episodes of voice work across the Pokémon anime franchise.