Kotomi Takahata

is a Japanese former professional tennis player. On 25 October 2010, she reached a career-high singles ranking of 562. She achieved her best doubles ranking of No. 108 on 10 October 2016. Takahata made her WTA Tour main-draw debut at the 2011 Japan Women's Open, where she received a wildcard for the doubles tournament with Shuko Aoyama. Aoyama and Takahata lost to the fourth seeds Kimiko Date-Krumm and Zhang Shuai in a tight three-setter. At the 2014 Japan Women's Open, she also received a wildcard into the main draw with Kyōka Okamura. They defeated Misaki Doi and Elina Svitolina in the first round, but lost to Darija Jurak and Megan Moulton-Levy in the quarterfinals.