Katsuyuki Miura is a Japanese voice actor born on August 26, 1988, in Ishikawa Prefecture, Japan. He is affiliated with the talent agency Atomic Monkey. His interest in voice acting began during his middle and high school years, sparked by his passion for anime and encouragement from classmates who commented on his distinctive voice. Watching behind-the-scenes cast interviews for the anime Martian Successor Nadesico further inspired him to pursue a career in the industry. He is a graduate of the fifth class of the Atomic Monkey Voice Actors and Acting Institute.

Miura's professional career began in the early 2010s, with early roles in series such as Tokyo Ghoul and Death Parade. His filmography has since grown to include a wide variety of characters across anime, video games, and other media. Among his notable anime roles are Shisuto Naruse in Komi Can't Communicate, Sasuke Delta Gundam in SD Gundam World Heroes, and Rustica Ferch in Promise of Wizard. He also appears as Nazuna Chikarashi in the LIVE动画 project Rhapsody. Other significant credits include Valas in Shironeko Project: Zero Chronicle, various characters in Bocchi the Rock!, and Tatchan in Skip and Loafer. In the realm of video games, he is known for voicing characters like Mortefi in Wuthering Waves, Clyde Lowell in Shironeko Project, and Ango Kosaka in the Re:dyyy! franchise.

Miura is part of a close-knit group of fellow Atomic Monkey voice actors from his generation, sometimes referred to as Atomic7, and they have collaborated on various online broadcasts and events. He has expressed admiration for senior voice actor Tomokazu Sugita, who was also affiliated with Atomic Monkey and served as an inspiration for Miura to join the agency. His work in the Re:dyyy! project has also seen him perform as part of the unit RayGlanZ, participating in live events and musical performances.

While major individual awards are not documented in readily available sources, Miura's career is marked by a steady rise in prominent roles and recognition for his versatility across different character types and media. He has also taken on roles beyond voice acting, such as serving as the dialect supervisor for the anime Skip and Loafer, utilizing his familiarity with his native Ishikawa dialect. He actively engages with fans through social media and streaming platforms like TwitCasting and Twitch, further building his presence in the entertainment industry.