| Competition: | wafl |
| Year: | 2021 |
| Teams: | 10 |
| Count: | 16 |
| Mpcount: | 18 |
| Highattend: | 29,879 (Grand Final, vs) |
| Top Goal Scorer: | Tyler Keitel West Perth (64 goals) |
| Prevseason: | 2020 |
| Nextseason: | 2022 |
The 2021 WAFL season (officially the 2021 Optus WAFL Premiership Season) is the 137th season of the various incarnations of the West Australian Football League (WAFL). The season commenced on 2 April and concluded with the Grand Final on 2 October. The West Coast Eagles reserves re-joined the competition, which increased the number of competing clubs to ten.[1] [2]
| Club | Home ground | Location | 2020 season | ||
|---|---|---|---|---|---|
| Claremont | Revo Fitness Stadium | Claremont | align=center | 6-2 (Runners up) | |
| East Fremantle | New Choice Homes Park | East Fremantle | align=center | 1-7 (DNQ Finals) | |
| East Perth | Leederville Oval | Leederville | align=center | 4-4 (DNQ Finals) | |
| Peel Thunder | David Grays Arena | Mandurah | align=center | 0-8 (DNQ Finals) | |
| Perth | Mineral Resources Park | Lathlain | align=center | 5-3 (Semi-final) | |
| South Fremantle | Fremantle Community Bank Oval | Fremantle | align=center | 7-1 (Premiers) | |
| Subiaco | Leederville Oval | Leederville | align=center | 4-4 (DNQ Finals) | |
| Swan Districts | Steel Blue Oval | Bassendean | align=center | 3-5 (DNQ Final) | |
| West Coast | Mineral Resources Park | Lathlain | align=center | Did not compete | |
| West Perth | Provident Financial Oval | Joondalup | align=center | 6-2 (Preliminary final) |