1985–86 Sheffield Shield season
| Cricket format | First-class |
|---|---|
| Tournament format(s) | Double round-robin & Final |
| Champions | New South Wales (39th title) |
| Participants | 6 |
| Matches | 31 |
| Player of the series | Allan Border (Queensland) |
| Most runs | Mark Taylor (New South Wales) (903) |
| Most wickets | Jeff Thomson (Queensland) (42) |
The 1985–86 Sheffield Shield season was the 84th season of the Sheffield Shield, the domestic first-class cricket competition of Australia. New South Wales won the championship.