| Slovenia Under-21 | |
| Badge Size: | 150px |
| Fifa Trigramme: | SVN |
| Association: | Football Association of Slovenia |
| Confederation: | UEFA (Europe) |
| Coach: | Milenko Ačimovič |
| First Game: | 1–0 Slovenia (Paralimni, Cyprus; 17 November 1992) |
| Largest Win: | 1–7 Slovenia (Rakvere, Estonia; 8 September 2014) |
| Largest Loss: | Slovenia 0–6 (Sežana, Slovenia; 11 February 2003) |
| Pattern La1: | _norrkoping21h |
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| Pattern La2: | _nikestrike3gr |
| Pattern B2: | _svn22A |
| Pattern Ra2: | _nikestrike3gr |
| Pattern Sh2: | _nikevapor3gr |
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| Uefau21champ Apps: | 1 |
| Uefau21champ First: | 2021 |
| Uefau21champ Best: | Group stage (2021) |
The Slovenia national under-21 football team is the national under-21 football team of Slovenia and is governed by the Football Association of Slovenia.
The following players were called up for the 2025 UEFA European Under-21 Championship qualification match against Austria on 11 October 2024.[1]
Caps and goals are correct as of 11 October 2024, after the match against Austria.
| UEFA European Under-21 Championship | width=1% rowspan=20 | Qualification | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year | Round | ||||||||||||||
 1994 | Did not enter | Did not enter | |||||||||||||
 1996 | Did not qualify | 10 | 6 | 1 | 3 | 19 | 12 | ||||||||
 1998 | 8 | 3 | 0 | 5 | 9 | 13 | |||||||||
 2000 | 10 | 1 | 5 | 4 | 10 | 19 | |||||||||
 2002 | 8 | 2 | 2 | 4 | 10 | 10 | |||||||||
 2004 | 8 | 2 | 3 | 3 | 4 | 7 | |||||||||
 2006 | 12 | 4 | 4 | 4 | 13 | 15 | |||||||||
 2007 | 2 | 1 | 0 | 1 | 1 | 2 | |||||||||
 2009 | 8 | 1 | 2 | 5 | 4 | 13 | |||||||||
 2011 | 8 | 2 | 2 | 4 | 6 | 10 | |||||||||
 2013 | 10 | 6 | 2 | 2 | 15 | 8 | |||||||||
 2015 | 10 | 5 | 2 | 3 | 29 | 11 | |||||||||
 2017 | 10 | 5 | 0 | 5 | 18 | 11 | |||||||||
  2019 | 10 | 4 | 4 | 2 | 14 | 12 | |||||||||
  2021 | Group stage | 3 | 0 | 1 | 2 | 1 | 8 | Qualified as host | |||||||
 2023 | Did not qualify | 10 | 4 | 4 | 2 | 11 | 7 | ||||||||
| 2025 | Qualified | 8 | 5 | 2 | 1 | 13 | 7 | ||||||||
| Total | 3 | 0 | 1 | 2 | 1 | 8 | 132 | 51 | 33 | 48 | 176 | 157 | |||
| Dates | Name |
|---|---|
| 1993–1994 | Zdenko Verdenik |
| 1994–1997 | Drago Kostanjšek |
| 2004 | Branko Oblak |
| 2004–2007 | Branko Zupan |
| 2008–2014 | Tomaž Kavčič[2] |
| 2014 | Robert Englaro[3] |
| 2015–2020 | Primož Gliha[4] [5] |
| 2020–present | Milenko Ačimovič[6] |