The FAW Welsh Youth Cup is a competition contested by teams affiliated to the Football Association of Wales at Under-19 level.
| Year | Winners | Score | Runners up | Notes | Venue |
| 1990 | Cardiff City | 5-0 | Swansea City | Merthyr Tydfil | |
| 1991 | Wrexham | 1-0 | Swansea City | Newport | |
| 1992 | Wrexham | 2-1 | Cardiff City | Rhayader | |
| 1993 | Hereford United | 4-2 | Wrexham | Knighton | |
| 1994 | Wrexham | 4-1 | Swansea City | Llanidloes | |
| 1995 | Cardiff City | 1-0 | Wrexham | Aberystwyth | |
| 1996 | Wrexham | 3-2 | Swansea City | AET | Cardiff |
| 1997 | Pontardawe Athletic | 1-0 | Wrexham | Brecon | |
| 1998 | Cardiff City | 5-0 | Llanelli | Afan Lido (Port Talbot) | |
| 1999 | Swansea City | 3-0 | Caernarfon Youth Club | Newtown | |
| 2000 | Cardiff City | 2-0 | Llanelli | Cardiff | |
| 2001 | Cardiff City | 3-1 | Taff's Well | AET | Cardiff |
| 2002 | Cardiff City | 3-2 | Llanelli | Cardiff | |
| 2003 | Swansea City | 4-1 | Llanelli | Llanelli | |
| 2004 | Cardiff City | 4-1 | Swansea City | Cardiff | |
| 2005 | Newport County | 2-2 | Cardiff City | Newport win 3-2 on pens | Cardiff |
| 2006 | Cardiff City | 5-2 | Aberystwyth Town | Port Talbot | |
| 2007 | Merthyr Tydfil | 2-1 | Cardiff College Celts | Port Talbot | |
| 2008 | Swansea City | 1-0 | Cardiff City | Cardiff | |
| 2009 | Llanelli | 2-1 | Swansea City | Llanelli | |
| 2010 | Swansea City | 2-1 | Wrexham | Swansea | |
| 2011 | Swansea City | 5-0 | West End | Llanelli |
| Rank | Team | Winners | Runners-up |
|---|---|---|---|
| 1st | Cardiff City | 1990, 1995, 1998, 2000, 2001, 2002, 2004, 2006 | 1992, 2005, 2008 |
| 2nd | Swansea City | 1999, 2003, 2008, 2010, 2011 | 1990, 1991, 1994, 1996, 2004, 2009 |
| 3rd | Wrexham | 1991, 1992, 1994, 1996 | 1993, 1995, 1997, 2010 |
| 4th | Llanelli | 2009 | 1998, 2000, 2002, 2003 |
| 5th | Hereford United | 1993 | |
| = | Pontardawe Athletic | 1997 | |
| = | Newport County | 2005 | |
| = | Merthyr Tydfil | 2007 | |
| 6th | Caernarfon Youth Club | 1999 | |
| = | Aberystwyth Town | 2006 | |
| = | Cardiff College Celts | 2007 | |
| = | Taff's Well | 2001 | |
| = | West End | 2011 |