Dublin U-21 Football Championship

Dublin Under 21 Football Championship
Irish	Craobh Faoi 21 Peile Bhaile Átha Cliath
Title holders	Na Fianna (5th title)
Most titles	Ballymun Kickhams Kilmacud Crokes Na Fianna (5 titles)
Sponsors	Evening Herald

The Dublin Under 21 Football Championship is an annual Gaelic Athletic Association club competition between the under-21 Gaelic footballers of Dublin clubs. The current (2017) under 21 champions of Dublin are Na Fianna who beat Ballyboden St. Enda's 2-11 to 0-9 at O'Toole Park on 9 December 2017.