| Isaac Baldwin | |
| Office: | 7th Mayor of Newark |
| Term Start: | 1845 |
| Term End: | 1846 |
| Predecessor: | Stephen Dod |
| Successor: | Beach Vanderpool |
| Birth Date: | 4 July 1790 |
| Party: | Whig |
Isaac Baldwin (July 4, 1790 – September 5, 1853) was an American politician who served as the Mayor of Newark from 1845 to 1846.[1]