Yōsuke Ōmomo is a Japanese voice actor from Tokyo, born on August 14, 2002. He is affiliated with the talent agency Raccoon Dog. He is a graduate of the Pro-Fit Voice Actor Training Institute. His height is 173 cm and his blood type is O. His hobbies include watching sports, and his special skills are basketball and sprinting.

Ōmomo's career includes a variety of supporting roles in anime television series. A notable role is Kōga Tsukishima in the 2024 fantasy anime series The Most Notorious "Talker" Runs the World's Greatest Clan. He is also known for voicing Zach in the 2024 series A Journey Through Another World: Raising Kids While Adventuring. His other anime credits from 2024 include roles in Blue Box, Re:Monster, and The Many Sides of Voice Actor Radio. In 2025, his voice acting work is featured in series such as With You, Our Love Will Make It Through, The Summer Hikaru Died, and The Brilliant Healer's New Life in the Shadows. He has also participated in web anime, theatrical animated films, and video games.