RugbyWA Premier Grade

The RugbyWA Premier Grade (currently known as the Fortescue Premier Grade under naming rights) is the highest level of domestic club rugby played in Western Australia. It was formed in 1928 and was the first consistent competition for rugby union in the state of Western Australia. It is competed annually form early April to mid August but with preseason training often starting before the season. The competition is managed by RugbyWA. The Premier Grade is contested by 13 teams from the Greater Perth area.

In 2022, RugbyWA partnered with Stan Sport to broadcast one Premier Grade game per round.

Wests Scarborough won the 2022 title, which ended their five-year premiership drought.

Current clubs
The following 13 Rugby Union Clubs play in the RugbyWA Fortescue Premier Grade.

* "(year)" Denotes the last year they won the premiership.
 * 1 of the 3 premierships won by Perth Bayswater was won as Perth-Suburbs
 * 5 of the 12 premierships won by Wests Scarborough were won as Western Suburbs and 3 of the 12 premierships won by Wests Scarborough as Wests-Scarborough''