Rui Nonaka

is a Japanese professional volleyball player. She plays in the SV.League for Victorina Himeji.

Career In her third year of Junior high school, Nonaka was selected to represent Japan at the 2017 U17 Championship in China where the team won the championship. She was also selected for 2017 Girls' U18 World Championship in Argentina. The team finished in the fifth place.

After graduating from Akita Kita High School, she was offered a contract with Hitachi Rivale (now Astemo Rivale Ibaraki for the 2019-20 season.

In August 2023, she was selected to represent Japan at the 2023 Asian Championship in Thailand.

In April 2025, she was selected as a member of Japan women's national volleyball team for the first time. In May the same year, it was announced that she would parted ways with Astemo Rivale Ibaraki at the end of the 2024-25 season.

In July 2025, it was announced that she would join Victorina Himeji.

Award Club Team 2023-24 Kurowashiki All Japan Volleyball Tournament - File:Med_3.png - Bronze Medal, with Astemo Hitachi Rivale 2023-24 Empress' Cup All Japan Volleyball Championship - File:Med_3.png - Bronze Medal, with Astemo Hitachi Rivale 2025-26 Empress' Cup All Japan Volleyball Championship - File:Med_3.png - Bronze Medal, with Victorina Himeji

National Team 2017 Asian U17 Championship - File:Med_1.png - Champion 2023 Asian Championship - File:Med_3.png - Bronze Medal