| 1998 WAFL season | |
|---|---|
| Teams | 9 |
| Premiers | East Fremantle 29th premiership |
| Minor premiers | East Fremantle 32nd minor premiership |
| Sandover Medallist | Adrian Bromage (East Fremantle) |
| Bernie Naylor Medallist | Todd Ridley (Subiaco) |
| Matches played | 94 |
The 1998 Westar Rules season was the second season of ‘Westar Rules’ and the 114th season of the various incarnations of senior football in Perth. The season opened on 29 March and concluded on 20 September with the 1998 Westar Rules Grand Final contested between East Fremantle and West Perth.
The Sandover Medal was awarded to Adrian Bromage (East Fremantle). Todd Ridley (Subiaco) won the Bernie Naylor Medal for kicking the most goals during the home-and-away rounds.
East Fremantle achieved its best record since its unique perfect season of 1946, winning all except its fourth and fifth games and achieving an unbeaten run of sixteen games rivalled since the perfect season only by Claremont in 1987 who was unbeaten for twenty-one games after having won the Grand Final.