Ayaka Okuno

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. 263. On 10 April 2017, she peaked at No. 147 in the doubles rankings.

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

ITF Circuit finals Singles: 3 (2–1) Legend$15,000 tournamentsFinals by surfaceHard (2–1) ResultNo.DateTournamentSurfaceOpponent ScoreWin 1. 6 October 2014 ITF Cairns, Australia Hard Ellen Allgurin 6–1, 7–5Win 2. 20 July 2015 ITF Hong Kong, China SAR Hard Prerna Bhambri 6–4, 6–0Loss 1. 18 February 2017 ITF Nanjing, China Hard Xun Fangying 4–6, 4–6

Doubles: 29 (13–16) Legend$75,000 tournaments$50,000 tournaments$25,000 tournaments$15,000 tournaments$10,000 tournamentsFinals by surfaceHard (7–12)Clay (4–1)Carpet (2–3) ResultNo.DateTournamentSurfacePartnerOpponents ScoreLoss 1. 21 April 2014 ITF Bangkok, Thailand Hard Ashling Sumner Yurina Koshino Chihiro Nunome 4–6, 2–6Win 1. 2 June 2014 ITF Pachuca, Mexico Hard Vera Aleshcheva Giovanna Manifacio Yadira Rubio 7–6(5), 3–6, [10–7]Loss 2. 8 August 2014 ITF Caracas, Venezuela Hard Clothilde de Bernardi Vanesa Furlanetto Florencia Molinero 0–6, 0–6Loss 3. 25 August 2014 ITF San Luis Potosí, Mexico Hard Erin Clark Victoria Rodríguez Marcela Zacarías 1–6, 7–5, [8–10]Loss 4. 13 September 2014 ITF Kyoto, Japan Hard (i) Michika Ozeki Makoto Ninomiya Kyōka Okamura 3–6, 3–6Loss 5. 8 October 2014 ITF Cairns, Australia Hard Alison Bai Jessica Moore Abbie Myers 2–6, 2–6Win 2. 24 January 2015 ITF Saint Martin, France Hard Alexa Guarachi Lena Litvak Sonja Molnar 7–5, 6–3Loss 6. 22 March 2015 ITF Irapuato, Mexico Hard Ana Sofía Sánchez Marcela Zacarías Victoria Rodríguez 1–6, 5–7Loss 7. 28 March 2015 ITF Mornington, Australia Clay Mana Ayukawa Priscilla Hon Tammi Patterson 4–6, 6–7(4)Win 3. 25 September 2015 ITF Bangkok, Thailand Hard Hiroko Kuwata Mana Ayukawa Yuuki Tanaka 2–6, 6–1, [10–6]Win 4. ITF Bangkok, Thailand Hard Valeriya Strakhova Chompoothip Jandakate Peangtarn Plipuech 6–2, 7–6(2)Loss 8. 7 May 2016 Kangaroo Cup, Japan Hard Hiroko Kuwata Eri Hozumi Miyu Kato 1–6, 2–6Win 5. 4 September 2016 ITF Noto, Japan Carpet Rika Fujiwara Akari Inoue Miki Miyamura 6–4, 1–6, [10–6]Win 6. 22 October 2016 ITF Hamamatsu, Japan Carpet Jana Fett Hsu Chieh-yu Justyna Jegiołka 4–6, 7–6(5), [12–10]Loss 9. 19 November 2016 Toyota World Challenge, Japan Carpet (i) Rika Fujiwara Ksenia Lykina Akiko Omae 7–6(4), 2–6, [5–10]Win 7. 21 January 2017 ITF Cairo, Egypt Clay Chantal Škamlová Fatma Al-Nabhani Sandra Samir 4–6, 6–4, [10–6]Win 8. 28 January 2017 ITF Cairo, Egypt Clay Chantal Škamlová Fatma Al-Nabhani Sandra Samir 6–3, 6–1Win 9. 11 March 2017 ITF Yokohama, Japan Hard Erika Sema Kanako Morisaki Minori Yonehara 6–4, 6–4Loss 10. 27 May 2017 ITF Karuizawa, Japan Carpet Tammi Patterson Chisa Hosonuma Kanako Morisaki 5–7, 3–6Loss 11. 5 August 2017 ITF Fort Worth, US Hard Miharu Imanishi Giuliana Olmos Ellen Perez 4–6, 3–6Loss 12. 9 September 2017 ITF Kyoto, Japan Hard (i) Kajsa Rinaldo Persson Akari Inoue Michika Ozeki 6–4, 3–6, [8–10]Loss 13. 22 October 2017 ITF Hamamatsu, Japan Carpet Lu Jiajing Rika Fujiwara Kyōka Okamura 2–6, 4–6Win 10. 7 April 2018 ITF Kashiwa, Japan Hard Kyōka Okamura Han Na-lae Robu Kajitani 6–2, 6–2Win 11. 13 July 2018 ITF Solo, Indonesia Hard Rifanty Kahfiani Fitriani Sabatini Fitriana Sabrina 6–4, 6–0Loss 14. 4 August 2018 ITF Fort Worth, US Hard Olivia Tjandramulia Hsu Chieh-yu Marcela Zacarías 6–3, 6–7(6), [6–10]Loss 15. 30 November 2018 ITF Hua Hin, Thailand Hard Aldila Sutjiadi Nudnida Luangnam Bunyawi Thamchaiwat 4–6, 2–6Win 12. 19 January 2019 ITF Antalya, Turkey Clay Kanako Morisaki Vlada Ekshibarova Julia Stamatova 6–2, 6–2Win 13. 4 February 2019 ITF Antalya, Turkey Clay Kanako Morisaki Haruna Arakawa Doga Turkmen 7–5, 6–3Loss 16. 26 February 2023 ITF Kuala Lumpur, Malaysia Hard Anchisa Chanta Guo Hanyu Li Yu-yun 0–6, 6–2, [2–10]