Rika Hiraki (born December 6, 1971 in Beirut, Lebanon) is a former professional female tennis player from Japan.

She has won 1 Grand Slam mixed doubles title, the 1997 French Open (with Mahesh Bhupathi). By winning she became the first Japanese woman to win a Grand Slam title (and second Japanese tennis player regardless of gender, after Tatsuyoshi Miki, who won a Wimbledon mixed doubles title in 1934), and Bhupathi the first Indian.