| Thailand U-20 | |
| Fifa Trigramme: | THA |
| Confederation: | AFC (Asia) |
| Sub-Confederation: | AFF (South-East Asia) |
| Coach: | Sawin Jaraspetcharanan |
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| Pattern So2: | _tha19along |
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| Regional Name: | FIFA U-20 Women's World Cup |
| Regional Cup Apps: | 1 |
| Regional Cup First: | 2004 |
| Regional Cup Best: | Group Stage (2004) |
| 2Ndregional Name: | AFC U-20 Women's Asian Cup |
| 2Ndregional Cup Apps: | 7 |
| 2Ndregional Cup First: | 2002 |
| 2Ndregional Cup Best: | Fourth Place (2004) |
Thailand women's national under-20 football team participated at the 2004 FIFA U-19 Women's World Championship.[1]
| FIFA U-20 Women's World Cup record | ||||||||
|---|---|---|---|---|---|---|---|---|
| Year | Round | GP | W | D | L | GF | GA | |
| Did not Qualify | ||||||||
| Group Stage | 3 | 0 | 0 | 3 | 0 | 18 | ||
| Did not Qualify | ||||||||
| To be Determined | ||||||||
| Total | Best: Group Stage | 3 | 0 | 0 | 3 | 0 | 18 | |
| AFC U-20 Women's Asian Cup record | ||||||||
|---|---|---|---|---|---|---|---|---|
| Year | Round | GP | W | D | L | GF | GA | |
| Group Stage | 3 | 1 | 0 | 2 | 2 | 12 | ||
| Fourth Place | 6 | 3 | 0 | 3 | 14 | 15 | ||
| did not qualify | ||||||||
| Group Stage | 3 | 1 | 0 | 2 | 3 | 5 | ||
| Group Stage | 3 | 0 | 0 | 3 | 1 | 11 | ||
| did not qualify | ||||||||
 2013 | ||||||||
| Group Stage | 3 | 1 | 0 | 2 | 7 | 9 | ||
| Group Stage | 3 | 0 | 1 | 2 | 2 | 13 | ||
| Group Stage | 3 | 0 | 0 | 3 | 2 | 8 | ||
| did not qualify | ||||||||
| Total | Best: Fourth Place | 24 | 6 | 1 | 17 | 31 | 73 | |
| AFF U-19 Women's Championship record | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| width=90 | Year | width=110 | Result | Matches | width=50 | Wins | width=50 | Draws | Losses | width=50 | GF | width=50 | GA | Coach |
 2014 | Champions | 5 | 4 | 1 | 0 | 36 | 1 | Nuengrutai Srathongvian | ||||||
 2022 | Third place | 6 | 4 | 0 | 2 | 15 | 2 | Miyo Okamoto | ||||||
| 2023 | Champions | 4 | 4 | 0 | 0 | 16 | 2 | Sawin Jaraspetcharanan | ||||||
| 3/3 | 15 | 12 | 1 | 2 | 67 | 5 | — | |||||||
| AFF Women's Championship record | ||||||||
|---|---|---|---|---|---|---|---|---|
| Year | Result | |||||||
| 2004 | Group Stage | 3 | 1 | 1 | 1 | 12 | 1 | |
| Total | 1/1 | 3 | 1 | 1 | 1 | 12 | 1 | |