Catherine Harrison (tennis)
Catherine Elizabeth Frances Harrison is an American tennis player.
Harrison has a career high WTA singles ranking of 256 achieved on 10 February 2020. She also has a career high WTA doubles ranking of 187 achieved on 17 February 2020.
Harrison made her WTA main draw debut at the 2011 Cellular South Cup after receiving a wildcard for the singles main draw.
Harrison played college tennis at UCLA.
ITF Circuit finals
Singles: 3 (1 titles, 2 runner-ups)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | ITF Amelia Island, United States | 10,000 | Clay |  Lauren Herring | 2–6, 3–6 | |
| Loss | 0–2 | ITF Lawrence, United States | 25,000 | Hard | Caty McNally | 2–6, 2–6 | |
| Winner | 1–2 | ITF Fort Worth, United States | 25,000 | Hard | Chanelle Van Nguyen | 6–4, 6–0 |
Doubles: 10 (6 titles, 4 runner-ups)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | ITF Evansville, United States | 10,000 | Hard | Mary Weatherholt | Brooke Austin Natalie Pluskota | 4–6, 6–3, | |
| Win | 1–1 | ITF Austin, United States | 10,000 | Hard | Mary Weatherholt | Alexandra Cercone Alexa Guarachi | 6–2, 7–5 | |
| Loss | 1–2 | ITF Fort Worth, United States | 10,000 | Hard | Mary Weatherholt | Hayley Carter Stefanie Tan | 3–6, 3–6 | |
| Win | 2–2 | ITF Austin, United States | 10,000 | Hard | Lorraine M. Guillermo | Madison Harrison Stephanie Nauta | 6–3, 6–3 | |
| Win | 3–2 | ITF Lubbock, United States | 25,000 | Hard | Emina Bektas |  Ema Burgić Bucko  Renata Zarazúa | 6–3, 6–4 | |
| Win | 4–2 | ITF Nashville, United States | 25,000 | Hard | Madeleine Kobelt | Melissa Kopinski Felicity Maltby | 6–3, 6–0 | |
| Win | 5–2 | ITF Antayla, Turkey | 15,000 | Clay | Sarah Lee |  Amina Anshba  Melis Sezer | 6–4, 6–3 | |
| Loss | 5–3 | ITF Singapore | 25,000 | Hard |  Emily Appleton |  Paige Hourigan  Aldila Sutjiadi | 1–6, 6–7 | |
| Loss | 5–4 | ITF Redding, United States | 25,000 | Hard | Paige Hourigan | Emina Bektas Tara Moore | 3–6, 1–6 | |
| Win | 6–4 | Feb 2020 | ITF Nicholasville, United States | 100,000 | Hard | Quinn Gleason | Whitney Osuigwe Hailey Baptiste | 7–5, 6–2 |