Mana Nishizaki

is a Japanese professional volleyball player. She plays in the SV.League for Osaka Marvelous.

Career Early Years In 2018, she was selected to represent Japan in the Asian U17 Championship in Thailand where the team won the championship.

In 2019, she was selected to represent Japan in the 2019 Cornacchia World Cup, a youth competitive volleyball tournament in Italy. The team won the gold medal in their first appearance at the tournament. She was awarded the Best Libero.

She was also selected for the 2019 U19 World Championship. The team finished in the 5th place after defeated by USA in quarterfinals.

Professional Years On February 17, 2021, JT Marvelous announced that she would join the team.

Nishizaki was a setter when she entered Kinrankai Junior High School, and switched to libero in her second year of junior high school. In the 2021–22 season, her first season with JT Marvelous, she was used as a setter from the start of the season.

In 2025, she was selected as a member of the Japan women's national volleyball team for the first time.

Award Individual 2019 Cornacchia World Cup - Best Libero 2023 V.Summer League - Fighting Spirit

High School Team 2018-19 All Japan High School Championship - File:Med_1.png - Champion, with Kinrankai High School 2019-20 All Japan High School Championship - File:Med_3.png - Bronze Medal, with Kinrankai High School

Club Team 2020-21 Empress' Cup All Japan Volleyball Championship - File:Med_1.png - Champion, with JT Marvelous 2020-21 V.League Division 1 Women's - File:Med_1.png - Champion, with JT Marvelous 2021-22 V.League Division 1 Women's - File:Med_2.png - Runner-up, with JT Marvelous 2022-23 Empress' Cup All Japan Volleyball Championship - File:Med_3.png - Bronze Medal, with JT Marvelous 2023-24 Empress' Cup All Japan Volleyball Championship - File:Med_3.png - Bronze Medal, with JT Marvelous 2023-24 V.League Division 1 Women's - File:Med_2.png - Runner-up, with JT Marvelous 2024-25 Empress' Cup All Japan Volleyball Championship - File:Med_3.png - Bronze Medal, with Osaka Marvelous 2024-25 SV.League Women's - File:Med_1.png - Champion, with Osaka Marvelous 2025-26 Empress' Cup All Japan Volleyball Championship - File:Med_1.png - Champion, with Osaka Marvelous

National Team 2018 Asian U17 Championship - File:Med_1.png - Champion 2019 Cornacchia World Cup - File:Med_1.png - Champion