1998 Australian Individual Speedway Championship
The 1998 Australian Individual Speedway Championship was held at the Riverview Speedway in Murray Bridge, South Australia on 14 February 1998.
Mildura rider Leigh Adams won his fourth Australian Championship after defeating Jason Lyons and Jason Crump in a runoff when all three riders tied on 13 points.Pos. | Rider | Points | Details |
| Leigh Adams | 13+3 | |
| Jason Lyons | 13+2 | |
| Jason Crump | 13+1 | |
4 | Ryan Sullivan | 12 | |
5 | Mark Lemon | 11 | |
6 | Todd Wiltshire | 11 | |
7 | Steve Johnston | 9 | |
8 | Shane Bowes | 8 | |
9 | Shane Parker | 7 | |
10 | Mick Poole | 6 | |
11 | Craig Watson | 5 | |
12 | Nigel Sadler | 4 | |
13 | Frank Smart | 2 | |
14 | Matt Johnston | 2 | |
15 | Cory Alderton | 1 | |
16 | Jason Hawkes | 1 | |
17 | Brett Woodifield | 0 | |