First-class Batting and Fielding for Middlesex in 1991 County Championship
| Name | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| AA Barnett | 2 | 2 | 2 | 12 | 11* | 0 | 0 | 0 | ||
| KR Brown | 21 | 36 | 6 | 1069 | 143* | 35.63 | 1 | 6 | 33 | |
| NG Cowans | 20 | 26 | 10 | 146 | 23* | 9.12 | 0 | 0 | 5 | |
| PR Downton | 3 | 3 | 2 | 113 | 51* | 113.00 | 0 | 1 | 8 | 1 |
| RM Ellcock | 3 | 1 | 1 | 26 | 26* | 0 | 0 | 0 | ||
| JE Emburey | 21 | 29 | 3 | 586 | 74 | 22.53 | 0 | 3 | 21 | |
| P Farbrace | 19 | 26 | 5 | 317 | 50 | 15.09 | 0 | 1 | 44 | 8 |
| ARC Fraser | 2 | 2 | 0 | 12 | 12 | 6.00 | 0 | 0 | 2 | |
| MW Gatting | 21 | 37 | 11 | 2044 | 215* | 78.61 | 8 | 6 | 13 | |
| DW Headley | 11 | 14 | 1 | 202 | 76 | 15.53 | 0 | 1 | 4 | |
| SP Hughes | 3 | 3 | 1 | 3 | 2 | 1.50 | 0 | 0 | 2 | |
| IJF Hutchinson | 11 | 20 | 1 | 437 | 125 | 23.00 | 2 | 0 | 12 | |
| M Keech | 14 | 22 | 2 | 362 | 58* | 18.10 | 0 | 2 | 4 | |
| JC Pooley | 11 | 20 | 0 | 390 | 88 | 19.50 | 0 | 2 | 8 | |
| MR Ramprakash | 12 | 22 | 4 | 877 | 119 | 48.72 | 2 | 7 | 2 | |
| MA Roseberry | 21 | 40 | 3 | 1222 | 119* | 33.02 | 1 | 7 | 16 | |
| SA Sylvester | 1 | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 1 | |
| CW Taylor | 7 | 5 | 0 | 59 | 21 | 11.80 | 0 | 0 | 2 | |
| PCR Tufnell | 17 | 18 | 4 | 120 | 31* | 8.57 | 0 | 0 | 7 | |
| PN Weekes | 6 | 11 | 1 | 249 | 86 | 24.90 | 0 | 2 | 5 | |
| NF Williams | 16 | 24 | 3 | 296 | 77 | 14.09 | 0 | 1 | 4 |
