- Gender: Female
- Birthday: 2000-06-21 ( 23 years old )
- Place of Birth: Fukushima Prefecture, Japan
- Also Known As: 箭内夢菜 / 야나이 유메나
Yumena Yanai is a Japanese actress and model from Koriyama, Fukushima Prefecture. Her first TV drama role was Cheer☆Dan (aka We Are Rockets!; チア☆ダン; 2018) along side Laid-Back Camp live-action TV drama co-star Sara Shida and Season 2 co-star Anna Ishii (portrayed Ayano Toki). Her first movie role was in Snow Flower (aka Yuki no Hana; 雪の華 ; 2019).
She portrays Aoi Inuyama in the Laid-Back Camp live-action TV drama and it is her first full time main role.