Okamura Rio (岡村梨央) is a Japanese pop singer and Idol managed by STU. She is currently a Kenkyuusei member of STU48.
- Name: Okamura Rio (岡村梨央)
- Nickname: Riotsun (りおつん), Okario (おかりお)
- Birthdate: October 8, 2008
- Birthplace: Hiroshima, Japan
- Blood Type: A
- Hobbies: Karaoke, making things, muscle training
- Specialties: Singing, grip strength and back muscles, memory weakness
- Bands / Groups:
STU48 Song Participation
- Currently a member of STU48 Kenkyuusei via the group's joint New Wave Project audition with ASH.