| Horace J. Poinier | |
| Office: | 11th Mayor of Newark |
| Term Start: | 1854 |
| Term End: | 1857 |
| Predecessor: | James M. Quinby |
| Successor: | Moses Bigelow |
| Birth Date: | 28 October 1810 |
| Birth Place: | Newark, New Jersey |
| Death Place: | Newark, New Jersey |
| Party: | Whig |
Horace J. Poinier (October 28, 1810 – April 19, 1894) was an American politician who served as the Mayor of Newark from 1854 to 1857.[1]