2012–13 Big Bash League season
| Dates | 7 December 2012 – 19 January 2013 |
|---|---|
| Administrator(s) | Cricket Australia |
| Cricket format | Twenty20 |
| Tournament format(s) | Group stage and knockout |
| Champions | Brisbane Heat (1st title) |
| Participants | 8 |
| Matches | 35 |
| Attendance | 503,262 (14,379 per match) |
| Player of the series | Aaron Finch (Melbourne Renegades) |
| Most runs | Shaun Marsh (412), (Perth Scorchers) |
| Most wickets | Ben Laughlin (14), (Hobart Hurricanes) |
The 2012–13 Big Bash League season or BBL|02 was the second season of the Big Bash League, the top-class Twenty20 cricket competition in Australia. The tournament began on 7 December 2012, with the final held on 19 January 2013.
Defending champions, Sydney Sixers were knocked out in the group stage. Melbourne Renegades finished first in the group stage with seven wins. Perth Scorchers, Melbourne Stars and Brisbane Heat were the other teams to reach the semi-finals. In the first semi-final, Brisbane defeated Melbourne Renegades by 15 runs; in the other semi-final, Perth defeated Melbourne Stars by eight wickets in a rain curtailed match to make the final for the second year row. In the final, Brisbane beat Perth by 34 runs to win their first title. Perth Scorchers finished runners-up for the second successive year.
The two finalists, Perth Scorchers and Brisbane Heat qualified for the 2013 Champions League Twenty20.