| Treewadee Yongphan | |
| Birth Date: | 29 September 1987 |
| Height: | 1.66 m[1] |
| Weight: | 53 kg |
| Sport: | Athletics |
| Event: | 400 metres |
Treewadee Yongphan (born 3 March 1987) is a Thai sprinter specialising in the 400 metres. She won several medals at regional level.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2005 | Asian Indoor Games | Pattaya, Thailand | 4th | 400 m | 54.98 | |
| bgcolor=silver | 2nd | 4 × 400 m relay | 3:48.25 | |||
| 2006 | Asian Indoor Championships | Pattaya, Thailand | 4th | 400 m | 57.38 | |
| Asian Junior Championships | Macau, China | 5th | 400 m | 57.29 | ||
| bgcolor=silver | 2nd | 4 × 400 m relay | 3:44.61 | |||
| 2007 | Asian Indoor Games | Macau, China | 9th (h) | 400 m | 57.18 | |
| 2008 | Asian Indoor Championships | Doha, Qatar | 3rd | 4 × 400 m relay | 3:43.22 | |
| 2009 | Asian Indoor Games | Hanoi, Vietnam | 4th | 400 m | 54.98 | |
| 3rd | 4 × 400 m relay | 3:41.37 | ||||
| Asian Championships | Guangzhou, China | 8th | 400 m | 55.56 | ||
| 5th | 4 × 400 m relay | 3:38.73 | ||||
| Southeast Asian Games | Vientiane, Laos | bgcolor=gold | 1st | 400 m | 54.16 | |
| bgcolor=gold | 1st | 4 × 400 m relay | 3:38.51 | |||
| 2010 | Asian Games | Guangzhou, China | 12th (h) | 400 m | 56.59 | |
| 2011 | Southeast Asian Games | Palembang, Indonesia | bgcolor=gold | 1st | 400 m | 54.13 |
| bgcolor=gold | 1st | 4 × 400 m relay | 3:41.35 | |||
| 2013 | Southeast Asian Games | Naypyidaw, Myanmar | bgcolor=gold | 1st | 400 m | 53.11 |
| bgcolor=gold | 1st | 4 × 400 m relay | 3:36.58 | |||
| 2014 | Asian Indoor Championships | Hangzhou, China | bgcolor=silver | 2nd | 4 × 400 m relay | 3:42.55 |
| Asian Games | Incheon, South Korea | 4th | 4 × 400 m relay | 3:33.16 | ||
| 2015 | Southeast Asian Games | Singapore | 4th | 400 m | 55.13 | |
| bgcolor=silver | 2nd | 4 × 400 m relay | 3:36.82 | |||
| 2017 | Southeast Asian Games | Kuala Lumpur, Malaysia | bgcolor=silver | 2nd | 4 × 400 m relay | 3:38.95 |
| Asian Indoor and Martial Arts Games | Ashgabat, Turkmenistan | bgcolor=gold | 1st | 4 × 400 m relay | 3:43.41 | |
Outdoor
Indoor