Ryuichi Kubota is a Japanese actor and voice actor born on May 18, 1982, in Saitama, Japan. He is affiliated with the talent agency Tokyo Actor's Consumer's Cooperative Society. His career includes performances in television anime, original video animations, and video games.

Kubota's notable roles in anime television series include providing the voice for Baron Rich in Bakugan Battle Brawlers: New Vestroia and Ryūta Kokubo in both seasons of Morita-san wa Mukuchi. He has also taken on various supporting and guest roles across a range of productions. These include appearances in Amagami SS and Amagami SS+, Inari Kon Kon, Okamikakushi, and The Case Closed, where he voiced Yoshito Mihara. His work in original video animations includes a part in Carnival Phantasm. Beyond animation, Kubota has performed in video games such as the visual novel Pastel Chime Continue and in stage productions.