| 1 | 208* | D Brookes & N Oldfield | Northamptonshire v Yorkshire | 1949 | f18459 |
| 2 | 115 | Northamptonshire v Yorkshire | 1949 | f18459 | |
| 3 | 148 | Essex v Northamptonshire | 1955 | f21042 | |
| 4 | 144 | Essex v Northamptonshire | 1957 | f21932 | |
| 5 | 140 | DJ Insole & R Smith | Essex v Northamptonshire | 1955 | f21042 |
| 6 | 103 | Northamptonshire v Yorkshire | 1949 | f18459 | |
| 7 | 95 | Northamptonshire v Essex | 1958 | f22398 | |
| 8 | 77 | Northamptonshire v Worcestershire | 1947 | f17680 | |
| 9 | 125* | L Hutton & A Coxon | Yorkshire v Northamptonshire | 1949 | f18459 |
| 10 | 81 | Yorkshire v Northamptonshire | 1981 | f33697 |