They defeated Dublin by 2 points last night.
The Kildare U20 footballers are the champions of Leinster, following victory over Dublin last night.
In a pulsating game in Portlaoise, the Lilywhites defeated The Dubs on a scoreline of 0-17 to 0-15.
Next up for Brian Flanagan's side is an All-Ireland semi final against Connacht champions, Sligo.
This morning's Kildare Today programme will have an extensive review of the game.

Former Wimbledon Finalist Milos Raonic Announces Retirement
Harry Cobden Becomes Number One Jockey For Owner JP McManus
Four Key Players To Return For Leinster's Next Investec Champions Cup Game
Dorothy Wall And Erin King Return To Ireland Women's Rugby Squad After Injuries
Michael Carrick Understood To Be Frontrunner To Take Over Manchester United
Monday Morning Sports Update
Kildare Beat The Dubs and into O'Byrne Cup Final
Kildare Senior Hurling Team vs Antrim in Hawkfield