2014–15 Big Bash League season
| Dates | 18 December 2014 – 28 January 2015 |
|---|---|
| Administrator(s) | Cricket Australia |
| Cricket format | Twenty20 |
| Tournament format(s) | Group stage and knockout |
| Champions | Perth Scorchers (2nd title) |
| Participants | 8 |
| Matches | 35 |
| Attendance | 825,657 (23,590 per match) |
| Player of the series | Jacques Kallis (Sydney Thunder) |
| Most runs | Michael Klinger (326), (Perth Scorchers) |
| Most wickets | John Hastings (16), (Melbourne Stars) |
| Official website | bigbash.com.au |
The 2014–15 Big Bash League season or BBL|04 was the fourth season of the Big Bash League (BBL), the top-class Twenty20 cricket competition in Australia. The season ran from 18 December 2014 to 28 January 2015, two weeks longer than the previous season.
Perth Scorchers won back-to-back titles by defeating Sydney Sixers by four wickets in the final.. It was hosted at Canberra's Manuka Oval. Jacques Kallis of Sydney Thunder was named Player of the Tournament, scoring 235 runs and taking six wickets, and Jason Behrendorff of Perth Scorchers was named Young Gun of the Tournament after taking 15 wickets.