Most Runs in an Innings for Middlesex
| 106 | AC Gilchrist | v Kent | St Lawrence Ground, Canterbury | 2010 | tt1747 |
| 103 | DJ Malan | v Lancashire | The Brit Oval, Kennington | 2008 | tt997 |
| 90* | JL Denly | v Kent | St Lawrence Ground, Canterbury | 2012 | tt3008 |
| 86 | DJ Malan | v Gloucestershire | Uxbridge Cricket Club Ground, Uxbridge | 2010 | tt1847 |
| 85 | ET Smith | v Kent | The Kent County Cricket Ground, Beckenham | 2005 | tt186 |
| 82* | PR Stirling | v Hampshire | Old Deer Park, Richmond | 2012 | tt3013 |
| 80 | OA Shah | v Hampshire | Uxbridge Cricket Club Ground, Uxbridge | 2010 | tt1843 |
| 79 | OA Shah | v Essex | John Walker's Ground, Southgate | 2005 | tt211 |
| 79* | EJG Morgan | v Glamorgan | Old Deer Park, Richmond | 2010 | tt1764 |
| 78 | OA Shah | v Surrey | Lord's Cricket Ground, St John's Wood | 2005 | tt177 |
| 75 | OA Shah | v Kent | The Rose Bowl, Southampton | 2008 | tt1002 |
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