Miyu Kato (加藤 未唯, Katō Miyu, born 21 November 1994) is a professional Japanese tennis player. On 15 January 2018, she reached her career-high singles ranking of world No. 122. On 30 January 2017, she peaked at No. 30 in the WTA doubles rankings. In her career, Kato has won two doubles titles on the WTA Tour and two WTA 125 doubles titles. On tournaments of the ITF Circuit, she has won three singles and 13 doubles titles. Playing for Japan Fed Cup team, Kato has win–loss record in Fed Cup competition of 6–1, as of August 2022.