First-class Bowling for Middlesex in 1939 County Championship
| Name | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| JM Sims | 5382 | 62 | 2788 | 142 | 8-32 | 19.63 | 14 | 4 |
| CIJ Smith | 4988 | 104 | 1789 | 84 | 7-55 | 21.29 | 4 | 0 |
| LH Gray | 2953 | 48 | 1315 | 42 | 5-108 | 31.30 | 1 | 0 |
| IAR Peebles | 2857 | 53 | 1203 | 39 | 4-23 | 30.84 | 0 | 0 |
| DCS Compton | 1021 | 16 | 445 | 15 | 3-34 | 29.66 | 0 | 0 |
| WJ Edrich | 1422 | 16 | 718 | 14 | 3-33 | 51.28 | 0 | 0 |
| RWV Robins | 447 | 4 | 221 | 11 | 6-86 | 20.09 | 1 | 0 |
| GOB Allen | 452 | 4 | 211 | 10 | 6-46 | 21.10 | 1 | 0 |
| BL Muncer | 134 | 3 | 57 | 6 | 3-11 | 9.50 | 0 | 0 |
| JDB Robertson | 552 | 15 | 191 | 3 | 1-12 | 63.66 | 0 | 0 |
| FG Mann | 14 | 0 | 16 | 2 | 2-16 | 8.00 | 0 | 0 |
| DR Hayward | 25 | 0 | 5 | 1 | 1-5 | 5.00 | 0 | 0 |
| AW Thompson | 32 | 1 | 14 | 0 | ||||
| BD Carris | 112 | 2 | 60 | 0 |
