| Watford FC U23 | Season 2024/2025 | 4 Players/Coaches |
| Watford FC U23 | Season 2023/2024 | 9 Players/Coaches |
| Watford FC U23 | Season 2022/2023 | 9 Players/Coaches |
| Watford FC U23 | Season 2021/2022 | 8 Players/Coaches |
| Watford FC U23 | Season 2020/2021 | 11 Players/Coaches |
| Watford FC U23 | Season 2019/2020 | 9 Players/Coaches |
| Watford FC U23 | Season 2018/2019 | 5 Players/Coaches |
| Watford FC U23 | Season 2017/2018 | 7 Players/Coaches |
| Watford FC U23 | Season 2016/2017 | 7 Players/Coaches |
| Watford FC U23 | Season 2015/2016 | 4 Players/Coaches |
| Watford FC U23 | Season 2014/2015 | 2 Players/Coaches |
| Watford FC U23 | Season 2012/2013 | 1 Players/Coaches |
| Watford FC U23 | Season 2011/2012 | 1 Players/Coaches |
| Watford FC U23 | Season 2010/2011 | 1 Players/Coaches |
| Watford FC U23 | Season 2009/2010 | 1 Players/Coaches |
| Watford FC U23 | Season 2003/2004 | 1 Players/Coaches |
England 
![Watford FC [U18]](https://s.hs-data.com/bilder/wappen/mini/29037.gif?fallback=png "Watford FC [U18]"){kind=small}
![Watford FC [U16]](https://s.hs-data.com/bilder/wappen/mini/27349.gif?fallback=png "Watford FC [U16]"){kind=small}
![Watford FC [Youth]](https://s.hs-data.com/bilder/wappen/mini/28044.gif?fallback=png "Watford FC [Youth]"){kind=small}