Peter Broun | |
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| Born | Peter Nicholas Broun 17 August 1797 |
| Died | 5 November 1846 (aged 49) |
| Other names | Peter Nicholas Brown |
Peter Nicholas Broun (17 August 1797 – 5 November 1846), known for most of his life as Peter Nicholas Brown, was the first Colonial Secretary of Western Australia, and a member of Western Australia's first Legislative Council.