| William Hackblock | |
| Office: | Member of Parliament for Reigate |
| Term Start: | 28 March 1857 |
| Term End: | 2 January 1858 |
| Predecessor: | Thomas Somers-Cocks |
| Successor: | Henry Rawlinson |
| Birth Date: | 1805 |
| Nationality: | British |
| Party: | Independent Liberal |
William Hackblock (1805 – 2 January 1858) was a British Independent Liberal politician.
Hackblock was elected MP for Reigate in 1857,[1] [2] but died less than a year later, in 1858.[3]