Atsuya Natsuyagi is a male Japanese voice actor born on December 6, 1996. His career includes voice work for both anime and stage productions, particularly within the Ultra series franchise. He has voiced characters in various Ultraman stage shows and related live events, including roles in New Generation the Live Stars Hen: Ultraman Zero ~Hajimari no Monogatari~ and New Generation the Live Ultraman Omega Hen: Dinosaur Dai Kessen, as well as the stage production Ultra 6 Kyodai THE LIVE in Hakuhinkan Gekijo: Ultraman Tarou Hen. He also provided the voice for the character Seiberu Boutei Maguma Seijin. In the anime television series Uso Tantei Tomanto, which began broadcasting within Nippon Television's ZIP! program in March 2026, he voices the character Inspector Nasumbo.