The 1989 WNBL season was the ninth season of competition since its establishment in 1981. A total of 12 teams contested the league.
Regular season
Ladder
|
Team |
Played |
Won |
Lost |
Won % |
|---|
| 1 |
Nunawading Spectres |
24 |
20 |
4 |
83 |
| 2 |
Hobart Islanders |
23 |
16 |
7 |
70 |
| 3 |
North Adelaide Rockets |
23 |
18 |
5 |
78 |
| 4 |
Bulleen Boomers |
24 |
16 |
8 |
67 |
| 5 |
Sydney Bruins |
22 |
14 |
8 |
64 |
| 6 |
Brisbane Blazers |
21 |
11 |
10 |
52 |
| 7 |
West Adelaide Bearcats |
24 |
13 |
11 |
54 |
| 8 |
Melbourne East |
23 |
10 |
13 |
43 |
| 9 |
Canberra Capitals |
23 |
8 |
15 |
35 |
| 10 |
Coburg Cougers |
24 |
6 |
18 |
25 |
| 11 |
Noarlunga Tigers |
22 |
3 |
19 |
14 |
| 12 |
Australian Institute of Sport |
24 |
3 |
21 |
12 |
Statistical leaders
The following shows the leaders for each statistic during the 1989 regular season.
| Category |
Player |
Team |
Statistic |
|---|
| Points per game | Kathy Foster | Hobart Islanders | 20.3 PPG |
| Rebounds per game | Patricia Mickan | North Adelaide Rockets | 5.2 RPG |
| Assists per game | Karin Maar | Bulleen Boomers | 5.6 APG |
| Steals per game | Kathy Hahn | Noarlunga Tigers | 3.2 SPG |
| Blocks per game | Sarah Duncan | Coburg Cougers | 2.0 BPG |
| Field goal percentage | Trina Roberts | Brisbane Blazers | 62.0% (147/237) |
| Three point percentage | Cherie Hogg | Canberra Capitals | 43.1% (22/51) |
| Free throw percentage | Pat Mickan | North Adelaide Rockets | 88.4% (38/43) |
Finals
| Semi Finals
| | | Grand Final
| |
| | | | | | | | | |
| |
| 1
| Nunawading Spectres
| 69
| |
|
| 4
| Bulleen Boomers
| 68
| |
| | 1
| Nunawading Spectres
| 80
| |
|
|
| | 2
| Hobart Islanders
| 69
| |
| 2
| Hobart Islanders
| 69
| |
| |
| 3
| North Adelaide Rockets
| 53
| |
|
|