- Birth Name: Hamamatsu Riona (濵松里緒菜)
- Nickname: Riona (りおな)
- Date of Birth: July 28, 1995
- Place of Birth: Tokushima, Japan
- Blood Type: O
- Height: 153cm
- Bands / Groups:
AKB48 Song Participation
- 47 no Suteki na Machi e ("Kokoro no Placard") (Team 8)
- Seifuku no Hane ("Kibouteki Refrain") (Team 8)
- Aisatsu Kara Hajimeyou ("Green Flash") (Team 8)
- Amanojaku Batta ("Kuchibiru ni Be My Baby") (Team 8)
- Yume e no Route ("Tsubasa wa Iranai") (Team 8)
- Shishunki no Adrenaline ("High Tension") (Team 8 WEST)
- Henachoko Support (Team 8)
- [2015–] AKB48 Team 8 no Hamamatsu Riona Yaken! (AKB48 Team 8の濵松里緒菜やけん！)
- Currently a member of AKB48 Team 8 as the representative of Tokushima.
- The kanji for her surname "Hamamatsu" is written as 濵松, instead of the more common 浜. However, the latter kanji is used in places such as mobile websites where the proper kanji is not supported.
- Her special skill is conversing in English. She lived in Los Angeles, California until the age of 10.