Reo Tsuchida is a Japanese voice actor affiliated with the agency 81 Produce. He was born on January 6 in Hokkaido and began his career in 2014 after graduating from the specialized school Tokyo Announce Gakuin. Prior to 2016, he used the stage name Dota Reio. His entry into the industry was marked by winning multiple awards at the 6th 81 Audition in 2012, including the Outstanding Award, the Shogakukan Award, the BS11 Award, and the Cultural Broadcasting Award.

Tsuchida is known for a range of prominent roles in anime series. He voices Tsukasa Suou in the long-running multimedia franchise Ensemble Stars!. He also played Koyoi Takase in Idol Time PriPara, Kyōichi Ozaki in Ikebukuro West Gate Park, and Sōta Kazama in My Senpai Is Annoying. In the series Skate-Leading Stars, he plays the role of Akimitsu Mochizuki. Beyond anime, his voice work extends to video games, with credits including Arthur and Matthis in Fire Emblem Heroes.

His role in the original short anime Nanamental represents a significant expansion of his creative involvement. For this project, which began streaming in 2022, he not only provided the voice for the character Kōhei but also co-produced the series with studio FIREBUG and took on the responsibilities of scriptwriter, original character designer, and sound editor. This marked his first time handling multiple production tasks for an anime project.