Yuuki Tanaka (Japanese: 田中 優季, Hepburn: Tanaka Yūki, born 7 March 1990) is a Japanese former tennis player. On 11 September 2017, Tanaka reached her best singles ranking of world No. 308. On 29 August 2016, she peaked at No. 214 in the doubles rankings. In her career, Tanaka won one singles title and six doubles titles on the ITF Women's Circuit.