List of Cymru Premier champions

The Cymru Premier champions are the winners of the highest league in Welsh football, which is currently the Cymru Premier, known as the League of Wales prior to the 2002–03 season and the Welsh Premier League prior to the 2019-20 season. Teams in bold are those who won the double of the Cymru Premier League Championship and Welsh Cup, those in italic are those that won the treble of the Cymru Premier, Welsh Cup and Welsh League Cup in that season.

Cymru Premier (2019–present)
Key:

Performances by club
Six clubs have been champions. In bold those competing in Cymru Premier as of 2023–24 season.

Multiple trophy wins

 * See Double (association football) and Treble (association football)