| Tonga U23 | |
| Badge: | Flag of Tonga.svg |
| Fifa Trigramme: | TGA |
| Association: | Tonga Football Association |
| Confederation: | OFC (Oceania) |
| Pattern La1: | _Tonga11Home |
| Pattern B1: | _Tonga11Home |
| Pattern Ra1: | _Tonga11Home |
| Leftarm1: | FF0000 |
| Body1: | FF0000 |
| Rightarm1: | FF0000 |
| Shorts1: | FF0000 |
| Socks1: | FF0000 |
| Pattern La2: | _Tonga11Away |
| Pattern B2: | _Tonga11Away |
| Pattern Ra2: | _Tonga11Away |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | FFFFFF |
| First Game: | 7–0 (Auckland, New Zealand; 11 December 1999) |
| Largest Win: | 3–0 (Auckland, New Zealand; 14 January 2004) |
| Largest Loss: | 10–0 (Taupō, New Zealand; 21 March 2012) |
| Regional Name: | OFC U23 Championship |
| Regional Cup Apps: | 5 (First in 1999) |
| Regional Cup Best: | Group Stage |
The Tonga national under-23 football team, also known as Tonga U23, represents Tonga at U23 tournaments. The team is considered to be the feeder team for the Tonga national football team and is controlled by the Tonga Football Association.
Tonga U23 made three appearances so far at the OFC U23 Championship. They never reached further than the Group Stage. In 2019 they were defeated 4-1 by Fiji in their opening pool match[1] before losing 8-0 to Vanuatu.[2]
In 2012 Timote Moleni was appointed as team coach.[3]
The OFC Men's Olympic Qualifying Tournament is a tournament held once every four years to decide the only qualification spot for Oceania Football Confederation (OFC) and representatives at the Olympic Games.
| OFC Men's Olympic Qualifying Tournament record | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Year | Round | ||||||||
  1988 | Did not enter | ||||||||
| 1991 | |||||||||
| 1996 | |||||||||
| 1999 | Group stage | 3 | 0 | 0 | 3 | 1 | 20 | ||
| 2004 | 4 | 2 | 0 | 2 | 4 | 8 | |||
| 2008 | Did not enter | ||||||||
| 2012 | Group stage | 2 | 0 | 0 | 2 | 0 | 13 | ||
 2015 | Did not enter | ||||||||
| 2019 | Group stage | 3 | 0 | 0 | 3 | 2 | 18 | ||
| 2023 | 3 | 0 | 0 | 3 | 1 | 12 | |||
| Total | Group stage | 15 | 2 | 0 | 13 | 8 | 71 | ||
The following players were called to the squad for the 2019 OFC Men's Olympic Qualifying Tournament from 21 September - 5 October 2019.
Caps and goals updated as of 28 September 2019 after the match against .
Caps and goals as of 16 March 2012.
|-
! colspan="9" style="background:#b0d3fb; text-align:left;"||- style="background:#dfedfd;"
|-
! colspan="9" style="background:#b0d3fb; text-align:left;"||- style="background:#dfedfd;"
|-! colspan="9" style="background:#b0d3fb; text-align:left;"||- style="background:#dfedfd;"