Huỳnh Phương Đài Trang
Huỳnh Phương Đài Trang is a Vietnamese tennis player.
Trang has a WTA singles career high ranking of 876 achieved on 12 April 2010 and a WTA doubles career high ranking of 380 achieved on 23 July 2012. She has also won 3 ITF $10,000 doubles titles on the ITF Women's Circuit and reached two $25,000 doubles finals.
Playing for Vietnam at the Fed Cup, Trang has a win-loss record of 4–3.
Trang made her WTA main draw debut at the 2010 Malaysian Open, where she was given a wildcard into the doubles event with Jawairiah Noordin of Malaysia. The pair lost in the first round to Vitalia Diatchenko and Chanelle Scheepers, 4–6, 2–6.
Trang has participated for Vietnam at the Asian Games and the Southeast Asian Games. At the 2011 Southeast Asian Games she won two bronze medals in the doubles and the team events.
ITF finals (3–4)
Doubles (3–4)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1. | 23 October 2010 | Khon Kaen, Thailand | Hard |  Maya Kato |  Luksika Kumkhum Varatchaya Wongteanchai | 4–6, 5–7 |
| Winner | 1. | 7 August 2011 | Iława, Poland | Clay |  Magdalena Kiszczyńska | Karolina Kosińska Aleksandra Rosolska | 2–6, 6–3, |
| Winner | 2. | 28 August 2011 | Braunschweig, Germany | Clay |  Karen Barbat |  Sabrina Baumgarten Katharina Lehnert | 6–2, 6–4 |
| Runner-up | 2. | 28 October 2011 | Hamanako, Japan | Carpet | Varatchaya Wongteanchai | Natsumi Hamamura Ayumi Oka | 3–6, 3–6 |
| Runner-up | 3. | 12 May 2012 | Tarakan, Indonesia | Hard |  Lee So-ra | Chiaki Okadaue Yurika Sema | 4–6, 6–7 |
| Winner | 3. | 7 October 2012 | Kalamata, Greece | Hard |  Keren Shlomo | Stefanie Stemmer  Kathinka von Deichmann | 3–6, 6–2, |
| Runner-up | 4. | 14 December 2012 | Bangkok, Thailand | Hard |  Li Yihong | Wang Yafan Wen Xin | 0–6, 3–6 |