Jessie James Grelle[2] (/ˈɡriːli/, GREE-lee; born Joshua James Ervin Grelle) is an American voice actor and ADR script writer in English language dubs of Japanese anime.

Major roles include Armin Arlert in Attack on Titan, Itsuki Takeuchi in Initial D, Fumikage Tokoyami in My Hero Academia, Byakuya Togami in Danganronpa, Teruhiko Yukimura in Classroom of the Elite, Nobuchika Ginoza in Psycho-Pass, Glenn Radars in Akashic Records of Bastard Magic Instructor, Kenichi Shirahama in Kenichi: The Mightiest Disciple, Mao Sadou / Demon King Satan in The Devil Is a Part-Timer!

Grelle has voiced lead characters Zen Wisteria in Snow White with the Red Hair, Kyohei Takano in The Wallflower, Komatsu in Toriko, Akihisa Yoshii in Baka and Test, Koichi Hayase in Linebarrels of Iron, Kazuya Aoi in Freezing, Tasuku Yamane in Trickster, Yuki "Yukiteru" Amano in The Future Diary, Atsushi Hatake in Big Windup!, Shido Itsuka in the Date A Live series, Futaro Uesugi in The Quintessential Quintuplets, Masamune in Masamune-kun's Revenge, Yamato Naoe in Majikoi!, Touya in In Another World With My Smartphone, Ichika Orimura in Infinite Stratos, and Issei Hyodo in High School DxD: BorN and the 4th season, titled Hero.

In video games, they have voiced Ludger Kresnik in Tales of Xillia 2, Phog from Xenoblade Chronicles X and Xbalanque from Smite.

[5] In March 2023, Grelle came out on social media as transgender, and stated that they use they or she pronouns.