Reika Kakiiwa (垣岩 令佳, Kakiiwa Reika, born 19 July 1989) is a Japanese badminton player from Renesas badminton club.

[2] Reika Kakiiwa has gained prominence in the badminton community because of her success in women's doubles.

She has reached a career high ranking of third in the world with her partner Mizuki Fujii.

She has also competed in mixed doubles reaching a peak ranking of 51st with her partner Kenta Kazuno.

In 2012, she and her partner Mizuki Fujii received the Kumamoto Prefecture Citizen Honour's Award.