| Rio Hirai | |
| Native Name: | 平井 理央 |
| Native Name Lang: | ja |
| Birth Date: | 15 November 1982 |
| Birth Place: | Nishitokyo, Tokyo, Japan |
| Nationality: | Japanese |
| Occupation: | TV actress and announcer |
| Children: | 1 |
[1] is a Japanese TV actress and announcer who is represented by the talent agency DeJaneiro.
| Year | Title | Role | Network | Notes | |
|---|---|---|---|---|---|
| 1998 | Oha Suta | ||||
| Iwao Junko no Ko Komi Night | |||||
| 1999 | Chō V.I.P. | ||||
| 2000 | Uwasa no CM Girl | ||||
| Idol Soken Efe | Fuji TV Two | ||||
| Sugao no Idol | Sky PerfectTV! | ||||
| J Document 750 | Sky PerfectTV! | ||||
| 2001 | Shōnan Hatsukoi Monogatari: Tea Cups | Kotono Murase | TV Tokyo | ||
| 2002 | Natsu Furusato Zekkōchō! | ||||
| 2003 | Dōbutsu no Oisha-san | Moe Awaya | TV Asahi | ||
| 2014 | Roosevelt Game | Shiho Hanabusa (president secretary) | TBS |