Marina Yabuuchi is a Japanese voice actress born on July 21, 1992, in Tokyo, Japan. She is a graduate of Tokyo Animator Gakuin and is currently affiliated with the talent agency Early Wing, having previously been with With Line. Her blood type is A, she stands 160 cm tall, and her hobbies include dance and watching American football and baseball.

Yabuuchi's career includes a notable role in the anime television series Assassins Pride, which aired from October to December 2019. In this fantasy series, she provided the voice for the character Rosetti Pricket, the private tutor to Elise Angel. Rosetti Pricket is a commoner who was born with mana and elevated to nobility, and her character has a complex backstory involving the protagonist, Kufa Vampir. Yabuuchi voiced this role for all twelve episodes of the series.

In the same year, she also had a minor role as a female customer in an episode of the anime series Didn't I Say to Make My Abilities Average in the Next Life?!. Her other acting credits include a voice role in the 2018 anime series B: The Beginning. Beyond anime, Yabuuchi has also contributed her voice to video games, with a role in the 2024 game Death end re;Quest: Code Z.