This is a list of football clubs that compete within the leagues and divisions of the Welsh football league system as far down as Level 4, that is to say, down to the first division of the Welsh Regional Leagues. The relative levels of divisions can be compared on the Welsh football league system page.

This list is missing information about women's teams. (May 2023)

• Cymru Premier (Level 1)
• Cymru North / Cymru South (Level 2)
• Ardal Leagues Northeast / Northwest / Southeast / Southwest (Level 3)

Below these, there are the regional feeders (starting at Level 4):

• Gwent County League Premier (there are also a Division One and Two at Levels 5 & 6)
• Mid Wales Football League East / West
• North East Wales Football League Premier (there is also a championship at Level 5)
• North Wales Coast East Football League Premier (there is also a Division One at Level 5)
• North Wales Coast West Football League Premier (there is also a Division One at Level 5)
• South Wales Alliance League Premier (there are also a Division One and Two at Levels 5 & 6)
• West Wales Premier League

• Football Club History Database