2025–26 Big Bash League season
| Dates | 14 December 2025 – 25 January 2026 |
|---|---|
| Administrator | Cricket Australia |
| Cricket format | Twenty20 |
| Tournament format(s) | Group stage and playoffs |
| Champions | Perth Scorchers (6th title) |
| Runners-up | Sydney Sixers |
| Participants | 8 |
| Matches | 44 |
| Attendance | 1,088,924 (24,748 per match) |
| Player of the series | Sam Harper (Melbourne Stars) |
| Most runs | Finn Allen (466) (Perth Scorchers) |
| Most wickets | Haris Rauf (20) (Melbourne Stars) |
| Official website | Big Bash League |
The 2025–26 Big Bash League season or BBL|15 was the fifteenth season of professional men's Twenty20 domestic cricket in Australia and the fifteenth under the Big Bash League (BBL) model. The tournament was played from 14 December 2025, with the final held on 25 January 2026, where the Perth Scorchers defeated the Sydney Sixers by 6 wickets to win their sixth title. The Hobart Hurricanes were the defending champions, but were knocked out by the Sydney Sixers during the Challenger.