| John Dunbar | |
| Honorific-Suffix: | MP |
| Office: | Member of Parliament for New Ross |
| Predecessor: | Patrick McMahon |
| Successor: | Charles George Tottenham |
| Term Start: | 17 February 1874 |
| Term End: | 4 December 1878 |
| Death Date: | 4 December 1878 |
| Death Place: | Kensington, London |
| Party: | Home Rule League |
John Dunbar was a Home Rule League politician who served as the Member of Parliament (MP) for New Ross[1] from February 1874 through to his death in 1878.[2] [3]