1908–09 Sheffield Shield season
| Cricket format | First-class |
|---|---|
| Tournament format(s) | Double round-robin |
| Champions | New South Wales (10th title) |
| Participants | 3 |
| Matches | 6 |
| Most runs | Vernon Ransford (Victoria) – 720 runs |
| Most wickets | Jack O'Connor (South Australia) – 26 wickets |
The 1908–09 Sheffield Shield season was the 17th season of the Sheffield Shield, the domestic first-class cricket competition of Australia. New South Wales won the championship.