Ayaka Okuno (奥野 彩加, Okuno Ayaka, born 21 June 1995) is a Japanese former professional tennis player.

In her career, she won two singles titles and 13 doubles titles on the ITF Women's Circuit.

On 22 February 2016, she reached her best singles ranking of world No.

Okuno made her WTA Tour singles debut at the 2016 Taiwan Open, where she qualified for the main draw.

This biographical article relating to Japanese tennis is a stub.