| 2012–13 WNBL season | |
| League: | Women's National Basketball League |
| Sport: | Basketball |
| Duration: | 5 October 2012 – 10 March 2013 |
| No Of Teams: | 9 |
| Tv: | ABC |
| Season: | Regular season |
| Top Seed: | Bendigo Spirit |
| Mvp: | Suzy Batkovic Adelaide |
| Mvp Link: | WNBL Most Valuable Player Award |
| Top Scorer: | Suzy Batkovic Adelaide |
| Top Scorer Link: | WNBL Top Shooter Award |
| Finals: | Finals |
| Finals Champ: | Bendigo Spirit |
| Finals Runner-Up: | Townsville Fire |
| Finals Mvp: | Kelsey Griffin Bendigo |
| Finals Mvp Link: | WNBL Grand Final Most Valuable Player Award |
| Seasonslist: | List of WNBL seasons |
| Seasonslistnames: | WNBL |
| Prevseason Link: | 2011–12 WNBL season |
| Prevseason Year: | 2011–12 |
| Nextseason Link: | 2013–14 WNBL season |
| Nextseason Year: | 2013–14 |
The 2012–13 WNBL season was the 33rd season of competition since the Women's National Basketball League's establishment in 1981. A total of nine teams contested the league. The regular season was played between 5 October 2012 and 16 February 2013, followed by a post-season involving the top five on 23 February 2013 until 10 March 2013.
Broadcast rights were held by free-to-air network ABC. ABC broadcast one game a week, at 3 pm at every standard time in Australia.
Spalding provided equipment including the official game ball, with Champion supplying team apparel.
| WNBL Championship Ladder | ||||||
|---|---|---|---|---|---|---|
| Team | ||||||
| 1 | 21 | 3 | 87.5 | 24 | ||
| 2 | 19 | 5 | 79.2 | 24 | ||
| 3 | 18 | 6 | 75.0 | 24 | ||
| 4 | 13 | 11 | 54.2 | 24 | ||
| 5 | 10 | 14 | 41.7 | 24 | ||
| 6 | 8 | 16 | 33.3 | 24 | ||
| 7 | 8 | 16 | 33.3 | 24 | ||
| 8 | 7 | 17 | 29.2 | 24 | ||
| 9 | 4 | 20 | 16.7 | 24 | ||
See main article: 2013 WNBL Finals.
| width=125 | Award | width=125 | Winner | width=125 | Position | width=125 | Team |
|---|---|---|---|---|---|---|---|
| Most Valuable Player Award |  Suzy Batkovic | Forward/Centre | Adelaide Lightning | ||||
| Grand Final MVP Award |  Kelsey Griffin | Forward | Bendigo Spirit | ||||
| Rookie of the Year Award | Stephanie Talbot | Guard | Adelaide Lightning | ||||
| Defensive Player of the Year Award | Kristi Harrower | Guard | Bendigo Spirit | ||||
| Coach of the Year Award | Bernie Harrower | Coach | Bendigo Spirit | ||||
| Top Shooter Award | Suzy Batkovic | Forward/Centre | Adelaide Lightning | ||||
| All-Star Five | Kristi Harrower Kathleen MacLeod Jenna O'Hea Suzy Batkovic Gabrielle Richards | Guard Guard Guard/Forward Forward/Centre Centre | Bendigo Spirit Dandenong Rangers Dandenong Rangers Adelaide Lightning Bendigo Spirit |
| width=100 | Category | width=125 | Player | width=125 | Team | width=50 | GP | width=50 | Totals | width=50 | Average |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Points Per Game | Suzy Batkovic | Adelaide Lightning | 19 | 405 | 21.3 | ||||||
| Rebounds Per Game | Suzy Batkovic | Adelaide Lightning | 19 | 186 | 9.7 | ||||||
| Assists Per Game | Kristi Harrower | Bendigo Spirit | 24 | 169 | 6.5 | ||||||
| Steals Per Game | Kelsey Griffin | Bendigo Spirit | 17 | 31 | 1.8 | ||||||
| Blocks per game | Suzy Batkovic | Adelaide Lightning | 19 | 50 | 2.6 | ||||||
| Field Goal % | 19 | (108/190) | 56.8% | ||||||||
| Three-Point Field Goal % | 23 | (49/105) | 46.7% | ||||||||
| Free Throw % | 24 | (84/95) | 88.4% |