Yūichirō Umehara (梅原 裕一郎, Umehara Yū'ichirō, born March 8, 1991) is a Japanese voice actor and singer affiliated with Arts Vision. He is best known for his roles on Cautious Hero: The Hero Is Overpowered but Overly Cautious as Seiya Ryuuguuin, Cute High Earth Defense Club Love! as En Yufuin, Mobile Suit Gundam: Iron-Blooded Orphans as Eugene Sevenstark, The Legend of the Galactic Heroes: Die Neue These - Kaikou as Siegfried Kircheis, Goblin Slayer as Goblin Slayer, JoJo's Bizarre Adventure: Stone Ocean as Weather Report, Black Clover as Mars, Mobile Suit Gundam Narrative as Zoltan Akkanen, at the 10th Seiyu Awards he won the Best Rookie Actors Award for his role Kurō Hazama in Young Black Jack and Wakasa in Merman in My Tub.