2017–18 Big Bash League season
| Dates | 19 December 2017 – 4 February 2018 |
|---|---|
| Administrator(s) | Cricket Australia |
| Cricket format | Twenty20 |
| Tournament format(s) | Group stage and knockout |
| Champions | Adelaide Strikers (1st title) |
| Participants | 8 |
| Matches | 43 |
| Attendance | 1,140,835 (26,531 per match) |
| Player of the series | D'Arcy Short (Hobart Hurricanes) |
| Most runs | D'Arcy Short (572), (Hobart Hurricanes) |
| Most wickets | Rashid Khan (18), (Adelaide Strikers) Dwayne Bravo (18), (Melbourne Renegades) |
| Official website | bigbash.com.au |
The 2017–18 Big Bash League season or BBL|07 was the seventh season of the Big Bash League, the professional men's Twenty20 domestic cricket competition in Australia. The tournament started on 19 December 2017 and finished on 4 February 2018. Perth Scorchers were the defending champions. The competition was extended to a total of 40 group games for the first time, each team playing ten matches in the group-stage.
The title was won by Adelaide Strikers who defeated Hobart Hurricanes at the Adelaide Oval by 25 runs.