First-class Bowling for Middlesex in 1866
| Name | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| T Hearne | 2047 | 246 | 637 | 46 | 6-35 | 13.84 | 4 | 1 |
| RD Walker | 1679 | 169 | 580 | 39 | 5-38 | 14.87 | 3 | 0 |
| G Howitt | 1365 | 146 | 521 | 34 | 7-38 | 15.32 | 3 | 1 |
| TA Mantle | 452 | 59 | 146 | 8 | 4-62 | 18.25 | 0 | 0 |
| ID Walker | 342 | 15 | 181 | 7 | 2-31 | 25.85 | 0 | 0 |
| AR Daly | 48 | 4 | 26 | 1 | 1-26 | 26.00 | 0 | 0 |
| VE Walker | 72 | 5 | 26 | 1 | 1-7 | 26.00 | 0 | 0 |
| C Calvert | 116 | 15 | 30 | 1 | 1-30 | 30.00 | 0 | 0 |
| CJ Brune | 72 | 5 | 35 | 1 | 1-8 | 35.00 | 0 | 0 |
