Mananchaya Sawangkaew
Mananchaya Sawangkaew is a female tennis player from Thailand.
She has a career-high WTA singles ranking of 764, achieved on 17 December 2018. Sawangkaew has won one singles and one doubles title on the ITF Women's Circuit.
On the junior tour, Sawangkaew has a career-high ITF junior combined ranking of 14, achieved on 28 January 2019. She reached the quarterfinals of the girls' singles draw at the 2019 Australian Open.
Sawangkaew made her Fed Cup debut for Thailand in 2019.
ITF circuit finals
Singles: 2 (2 titles)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | May 2018 | ITF Hua Hin, Thailand | 15,000 | Hard |  Bunyawi Thamchaiwat | 1–6, 7–6, 2–1 ret. |
| Win | 2–0 | Oct 2019 | ITF Hua Hin, Thailand | 15,000 | Hard |  Moyuka Uchijima | 2–6, 4–6 |
Doubles: 2 (1 title, 1 runner–up)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | ITF Hua Hin, Thailand | 15,000 | Hard |  Joanna Garland |  Nadia Ravita Aldila Sutjiadi | 2–6, 4–6 | |
| Win | 1–1 | ITF Sharm El Sheik, Egypt | 15,000 | Hard | Thasaporn Naklo |  Katarina Kuzmová  Zhibek Kulambayeva | 6–3, 7–5 | |
| Loss | 1–2 | ITF Nonthaburi, Thailand | 25,000 | Hard | Supapitch Kuearum |  Ankita Raina  Bibiane Schoofs | 4–6, 2–6 |