Miyu Nagasaki (?? ??, Nagasaki Miyu, born 15 June 2002) is a Japanese table tennis player.
She was part of the Japanese women's team that won a silver medal at the 2018 World Team Table Tennis Championships in Halmstad, Sweden.In December 2019, Nagasaki won both the girls' singles and doubles at the 2019 World Junior Table Tennis Championships.
She was the first non-Chinese girl to win the singles in the tournament's 17-year history.