| William Henry Magan | |
| Office: | Member of Parliament for Westmeath |
| Term Start: | 10 August 1847 |
| Term End: | 10 May 1859 |
| Predecessor: | Hugh Morgan Tuite Benjamin Chapman |
| Successor: | William Pollard-Urquhart Richard Levinge |
| Alongside: | Richard Levinge (1857–1859) William Pollard-Urquhart (1852–1857) Percy Nugent (1847–1852) |
| Birth Date: | 1820 |
| Nationality: | Irish |
| Party: | Whig |
| Otherparty: | Independent Irish Party Repeal Association |
William Henry Magan (1820 –)[1] was an Irish Whig, Independent Irish Party and Repeal Association politician.[2] [3]
Magan was elected a Repeal Association Member of Parliament (MP) for Westmeath at the 1847 general election and, becoming an Independent Irish Party MP in 1852 and then a Whig again in 1857, held the seat until 1859 when he did not seek re-election.[4]