| Dublin Under 21 Hurling Championship | |
| Sponsors: | Evening Herald |
| Irish: | Craobh Faoi 21 Iomáint Bhaile Átha Cliath |
| Current: | Na Fianna |
The Dublin Under 21 Hurling Championship is an annual Gaelic Athletic Association club competition between the under-21 hurlers of Dublin clubs. The current (2017) under 21 champions of Dublin are Na Fianna who beat Ballyboden St Enda's 2-17 to 2-14 at O'Toole Park on 25 November 2017.
| Year | Winner | Score | Opponent | Score | |
|---|---|---|---|---|---|
| 2023 | St Oliver Plunkett's/Eoghan Ruadh | 1-16 | Faughs | 2-11 | |
| 2022 | |||||
| 2021 | |||||
| 2020 | |||||
| 2019 | St Oliver Plunkett's | Whitehall Colmcille | |||
| 2018 | 2-14 | Ballinteer St John's | 1-16 | ||
| 2017 | Whitehall Colmcille | ||||
| 2016 | Thomas Davis | 1-17 | Clontarf | 2-12 |
| Year | Winner | Score | Opponent | Score | |
|---|---|---|---|---|---|
| 2023 | Clontarf | 1-16 | St. Jude's | 0-13 | |
| 2022 | |||||
| 2021 | |||||
| 2020 | |||||
| 2019 | Naomh Mearnóg | Craobh Chiaráin | |||
| 2018 | Craobh Chiaráin | 0-18 | Naomh Mearnóg | 1-13 | |
| 2017 | St Sylvester's | ||||
| 2016 | St Maur's | St Sylvester's |