| Vietnam | |
| Badge: | Flag of Vietnam.svg |
| Badge Size: | 180px |
| Nickname: | Những chiến binh Sao Vàng (Golden Star Warriors) |
| Fifa Trigramme: | VIE |
| Association: | Vietnam Football Federation (VFF) |
| Sub-Confederation: | AFF (Southeast Asia) |
| Confederation: | AFC (Asia) |
| Coach: | Dương Hồng Sơn |
| Captain: | Đặng Văn Tới |
| Home Stadium: | Mỹ Đình National Stadium Thống Nhất Stadium |
| Pattern La1: | _vietnam2023h |
| Pattern B1: | _vietnam2023h |
| Pattern Ra1: | _vietnam2023h |
| Pattern Sh1: | _vietnam2023h |
| Pattern So1: | _vietnam2023h |
| Leftarm1: | F50013 |
| Body1: | F50013 |
| Rightarm1: | F50013 |
| Shorts1: | F50013 |
| Socks1: | F50013 |
| Pattern La2: | _vietnam2023a |
| Pattern B2: | _vietnam2023a |
| Pattern Ra2: | _vietnam2023a |
| Pattern Sh2: | _vietnam2023a |
| Pattern So2: | _vietnam2023a |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | FFFFFF |
The Vietnam national under-21 football team represents Vietnam at international youth association football competitions for age under-19 and under-20. It is controlled by the Vietnam Football Federation.
| 2016 Nations Cup | Coach | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Year | Round | GP | W | D | L | GF | GA | ||
| Third Place | 2 | 0 | 1 | 1 | 2 | 4 | Hoàng Anh Tuấn | ||
| Total | Best: Third Place | 2 | 0 | 1 | 1 | 2 | 4 | ||
| AFC U-19 Championship History | |||||||
|---|---|---|---|---|---|---|---|
| width=5% | Year | width=10% | Round | width=20% colspan=3 | Score | width=5% | Result |
| 2016 | Semi-finals | width=6% style="background-color:#FFCCCC;" | 0 – 2 | Loss | |||
| Third place | 2–2 aet 5–4 pen | Won | |||||
| International U-21 Thanh Niên Newspaper Cup | Coach | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Year | Round | GP | W | D | L | GF | GA | ||
| Champions | 3 | 3 | 0 | 0 | 6 | 0 | |||
| Third place | 4 | 2 | 0 | 2 | 6 | 8 | |||
| Runner-up | 4 | 2 | 0 | 2 | 10 | 9 | |||
| Third place | 4 | 3 | 0 | 1 | 10 | 4 | |||
| Champions | 4 | 3 | 1 | 0 | 7 | 3 | |||
| Runner-up | 4 | 3 | 0 | 1 | 11 | 2 | Đinh Văn Dũng | ||
| Champions | 4 | 3 | 0 | 1 | 8 | 5 | |||
| Third place | 4 | 2 | 2 | 0 | 6 | 2 | |||
| 4th Place | 4 | 2 | 2 | 0 | 9 | 6 | Phạm Minh Đức | ||
| 4th Place | 4 | 0 | 2 | 2 | 1 | 3 | Phạm Minh Đức | ||
| Runner-up | 5 | 2 | 1 | 2 | 8 | 6 | Trần Minh Chiến | ||
| Total | 3 title | 44 | 25 | 8 | 11 | 82 | 48 | ||