Miyuu Masuhara (Japanese: 増原海夕, ますはら みゆう, Hepburn: Masuhara Miyū, born 4 October 2001) is a Japanese ice hockey goaltender and member of the Japanese national team, currently playing with DK Peregrine in the Women's Japan Ice Hockey League (WJIHL) and All-Japan Women's Ice Hockey Championship.

As a junior player with the Japanese national under-18 team, she participated in the 2016 IIHF U18 Women's World Championship.

[1] Masuhara was a part of the Japanese delegation at the 2022 Winter Olympics in Beijing.

Selected as a reserve player for the women's ice hockey tournament, she did not dress for any games.

[3][4] Masuhara won a silver medal with the Japanese team in the women's ice hockey tournament at the 2023 Winter World University Games in Lake Placid, New York.