| Fifa Trigramme: | SIN |
| Nickname: | Young Lions |
| Association: | Football Association of Singapore |
| Sub-Confederation: | AFF (Southeast Asia) |
| Confederation: | AFC (Asia) |
| Coach: | Tsutomu Ogura |
| Home Stadium: | Jalan Besar Stadium, Singapore |
| Pattern La1: | _SING14h |
| Pattern B1: | _SING14h |
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| Leftarm1: | DC140E |
| Body1: | DC140E |
| Rightarm1: | DC140E |
| Shorts1: | DC140E |
| Socks1: | DC140E |
| Pattern La2: | _SING14a |
| Pattern B2: | _SING14a |
| Pattern Ra2: | _SING14a |
| Leftarm2: | 006CC6 |
| Body2: | 006CC6 |
| Rightarm2: | 006CC6 |
| Shorts2: | 006CC6 |
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| Singapore U-21 | |
The Singapore national under-21 football team is an under-21 football team representing Singapore.
Fandi Ahmad was unveiled as the FAS’ new head coach, youth, during a press conference at Jalan Besar Stadium on 4 October 2016 and will take charge of the youth teams headed for the 2018 Asian Games, the 2019 and 2021 SEA Games, as well as the 2020 Olympics.
He will focus on players who are within the 19 to 23 age bracket and report to FAS technical director Michel Sablon. It was reported that he has an option to extend his contract for another three years in 2019, provided both parties are happy with the progress that has been made by then.
The following players were called up for the friendly match against Albirex Niigata (S) on 24 September 2022.[1]
The following players have also been called up in the last 36 months to the Singapore squad.