Sarina Koga

Sarina Koga or Sarina Nishida is a Japanese retired volleyball player who used to be captain of the Japan women's national volleyball team.
Koga won the bronze medal at the 2013 U23 World Championship with Japan's U23 national team. She also competed at the 2020 Summer Olympics, in women's volleyball. Koga retired after the 2024 Summer Olympics.

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Career

Koga played with the Kumamoto Shin-ai Girls' High School team, winning the 2011 All-Japan Junior High School championship and receiving the Excellent Player award. She won the gold medal at the 2012 Asian Youth Girls Championship as part of the National Junior team; she also won the Most Valuable Player award at and Best Scorer of the tournament.
In October 2013, Koga competed in the 2013 FIVB Women's U23 Volleyball World Championship and won the bronze medal. Koga was named one of the best outside spikers, and selected for the competition's all star team, by the FIVB website.
On 23 January 2015, NEC Red Rockets announced her joining the team.
Koga won a silver medal in the 2024 VNL. She announced on July 2024 that the 2024 Paris Olympics would be her final tournament as her decision of retirement.

Clubs

Kumamoto Shin-ai Girls' High School
NEC Red Rockets

Awards

Individuals

2011 All-Japan Junior High School Championship - Excellent Player Award
2012 Asian Youth Girls U17 Volleyball Championship in Chengdu, China - Best Scorer and MVP
2013 All-Japan High School Championship - Excellent Player Award
2013 FIVB Women's U23 Volleyball World Championship in Tijuana, Mexico - Best Outside Hitter
2015/16 Japan V.Premier League - Best Newcomer Award
2016 Asian Women's Club Volleyball Championship in Biñan City, Philippines - MVP
2016/17 Japan V.Premier League - Best6 and MVP
2020/21 Japan V.League - Best6
2022 Japan Emperor's Cup and Empress' Cup All Japan Volleyball Championship - MVP
2022/23 Japan V.League - Best6, Best Server and MVP
2023 Japan Emperor's Cup and Empress' Cup All Japan Volleyball Championship - MVP
2023/24 Japan V.League - Best6 and MVP
2024 FIVB Volleyball Nations League in Bangkok, Thailand - Best Outside Hitter

Team

2014/15 Japan V.Premier League - Champion - NEC Red Rockets
2016 Asian Women's Club Volleyball Championship in Biñan City, Philippines - Champion - NEC Red Rockets
2016/17 Japan V.Premier League - Champion - NEC Red Rockets
2020/21 Japan V.League - Bronze medal - NEC Red Rockets
2022 Japan Emperor's Cup and Empress' Cup All Japan Volleyball Championship - Champion - NEC Red Rockets
2022/23 Japan V.League - Champion - NEC Red Rockets
2023 Japan Emperor's Cup and Empress' Cup All Japan Volleyball Championship - Champion - NEC Red Rockets
2023/24 Japan V.League - Champion - NEC Red Rockets

National Team

2012 Asian Youth Girls U17 Volleyball Championship in Chengdu, China - Champion
2013 FIVB Women's U23 World Championship in Tijuana, Mexico - Bronze medal
2014 Asian Junior Women's U19 Volleyball Championship in Chinese Taipei - Silver medal
2015 Montreux Volley Masters in Switzerland - Silver medal
2017 Asian Senior Women's Volleyball Championship in Biñan City, Philippines - Continental Champion
2024 FIVB Volleyball Nations League in Bangkok, Thailand - Silver medal

Personal life

On 31 December 2022, Koga announced her marriage to the Japan Men's Volleyball Team Opposite Hitter, Yuji Nishida. In July 24, 2025, it was announced through a post in Nishida's official social media account that they are expecting their first child.