Reina Matsusaka (born 23 October 2000) is a Japanese rhythmic gymnast.

[2] At the All-Japan Intercollegiate Gymnastics Championships in August 2019, Matsusaka won bronze with the hoop and was 5th individually.

At the All-Japan Rhythmic Gymnastics Championships in October, she won silver with ball.

[7][8] In April she competed in the World Cup in Baku, taking 15th place in the all-around, 17th with hoop, 13th with ball, 9th with clubs and 21st with ribbon.

[9] On May 3 she won the all-around bronze medal at the Asian Championships in Tashkent behind Elzhana Taniyeva and Takhmina Ikromova.