Ashley Lahey (born October 26, 1999) is an American tennis player.
Lahey has a career-high singles ranking of 317 by the WTA rankings, achieved on 18 September 2023. She also has a career-high WTA doubles ranking of 170, achieved on 25 September 2023.
Lahey won her first bigger ITF title at the 2022 Tyler Pro Challenge, in the doubles draw, partnering Maria Kozyreva.
She played college tennis at Pepperdine University.
| Loss | 0–1 | Nov 2023 | Midland Tennis Classic, United States | Hard (i) | Sophie Chang | Hailey Baptiste Whitney Osuigwe | 6–2, 2–6, 1–10 |
| W25/35 tournaments (1–2) |
| W15 tournaments (1–1) |
| Win | 1–0 | Jun 2017 | ITF Sumter, United States | W25 | Hard | Francesca Di Lorenzo | 6–3, 7–6(4) |
| Loss | 1–1 | Feb 2022 | ITF Villena, Spain | W15 | Hard | Jéssica Bouzas Maneiro | 2–6, 1–6 |
| Loss | 1–2 | Nov 2022 | ITF Funchal, Portugal | W25 | Hard | Emina Bektas | 6–2, 3–6, 2–6 |
| Loss | 1–3 | Jan 2024 | ITF Arcadia, United States | W35 | Hard | Fiona Crawley | 6–4, 2–6, 5–7 |
| Win | 2–3 | Aug 2025 | ITF Logroño, Spain | W15 | Hard | Alice Gillan | 6–2, 6–3 |
| {class=wikitable style="font-size:85%" !Legend |
| W80 tournaments (1–0) |
| W60/75 tournaments (1–2) |
| W50 tournaments (1–1) |
| W25/35 tournaments (6–7) |
| Hard (6–6) |
| Clay (3–4) |
| Loss | 0–1 | Jul 2018 | Championships of Honolulu, United States | W60 | Hard | Taylor Johnson | Misaki Doi Jessica Pegula | 6–7(4), 3–6 |
| Win | 1–1 | Jun 2021 | ITF Madrid, Spain | W25 | Hard | Olivia Tjandramulia | Yvonne Cavallé Reimers Celia Cerviño Ruiz | 6–2, 4–6, 10–8 |
| Loss | 1–2 | Jun 2022 | ITF Ystad, Sweden | W25 | Clay | Lisa Zaar | Caijsa Hennemann Martyna Kubka | 6–4, 5–7, 7–10 |
| Loss | 1–3 | Aug 2022 | ITF Danderyd, Sweden | W25 | Clay | Lisa Zaar | Rina Saigo Yukina Saigo | 6–2, 5–7, 7–10 |
| Loss | 1–4 | Oct 2022 | ITF Austin, United States | W25 | Hard | Martyna Kubka | Elysia Bolton Jamie Loeb | 3–6, 3–6 |
| Win | 2–4 | Oct 2022 | Tyler Pro Challenge, United States | W80 | Hard | Maria Kozyreva | Jaeda Daniel Nell Miller | 7–5, 6–2 |
| Win | 3–4 | Jan 2023 | ITF Boca Raton, United States | W25 | Clay | Tiphanie Fiquet | Kayla Cross Renata Zarazúa | 4–6, 6–1, 10–4 |
| Win | 4–4 | May 2023 | ITF Platja d'Aro, Spain | W25 | Clay | Ellen Perez | Francisca Jorge Matilde Jorge | 6–3, 3–6, 12–10 |
| Win | 5–4 | Jul 2023 | Dallas Summer Series, United States | W60 | Hard (i) | Sophie Chang | Jamie Loeb Makenna Jones | 2–6, 2–6 |
| Loss | 5–5 | Sep 2023 | ITF Zaragoza, Spain | W25 | Clay | Kimmi Hance | Martina Colmegna Solana Sierra | 6–4, 4–6, 8–10 |
| Loss | 5–6 | Sep 2023 | Caldas da Rainha Open, Portugal | W60+H | Hard | Tian Fangran | Francisca Jorge Matilde Jorge | 1–6, 6–2, 7–10 |
| Loss | 5–7 | Nov 2023 | ITF Austin, United States | W25 | Hard | Maria Kozyreva | Han Jiangxue Huang Yujia | 5–7, 6–2, 8–10 |
| Win | 6–7 | Jan 2024 | ITF Arcadia, United States | W35 | Hard | Angela Kulikov | Haley Giavara Brandy Walker | 6–3, 6–2 |
| Win | 7–7 | Apr 2025 | ITF Santa Margherita di Pula, Italy | W35 | Clay | Astrid Brune Olsen | Jasmijn Gimbrère Stéphanie Visscher | 3–6, 6–4, 10–5 |
| Loss | 7–8 | Jun 2025 | ITF Klosters, Switzerland | W35 | Clay | Jasmijn Gimbrère | Deborah Chiesa Lisa Pigato | 0–6, 6–3, 6–10 |
| Loss | 7–9 | Jul 2025 | ITF Monastir, Tunisia | W35 | Hard | Tiphanie Lemaître | Alicia Dudeney Patricija Paukštytė | 6–7(5), 4–6 |
| Win | 8–9 | Aug 2025 | ITF Southaven, United States | W35 | Hard | Catherine Harrison | Hiroko Kuwata Kyōka Okamura | 6–3, 6–2 |
| Loss | 8–10 | Sep 2025 | ITF Leiria, Portugal | W50 | Hard | Catherine Harrison | Julie Belgraver Kayla Cross | 6–3, 3–6, 8–10 |
| Win | 9–10 | Sep 2025 | ITF Évora, Portugal | W50 | Hard | Catherine Harrison | Gabriela Knutson Malaika Rapolu | 6–1, 1–6, 10–8 |
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