Moyuka Uchijima (?? ??, Uchijima Moyuka, born 11 August 2001) is a Japanese tennis player.
She has a Malaysian mother and a Japanese father.Uchijima has career-high WTA rankings of 357 in singles, achieved on 14 January 2019 and 277 in doubles, set on 22 July 2019.
She has won two doubles titles on the ITF Women's Circuit.
Uchijima made her main-draw debut on the WTA Tour at the 2018 Japan Women's Open after receiving a wild card for the doubles main draw, partnering Erina Hayashi.