| Harry N. Jonah | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term: | 1957–1962 |
| Constituency: | Kings |
| Birth Date: | 19 March 1896 |
| Birth Place: | Elgin, New Brunswick |
| Death Place: | New Brunswick |
| Spouse: | Pearl Emile Gaunce |
| Party: | Progressive Conservative Party of New Brunswick |
| Occupation: | lawyer |
| Children: | 1 |
Harry Nelson Jonah (March 19, 1896 – October 31, 1985) was a Canadian politician. He served in the Legislative Assembly of New Brunswick as member of the Progressive Conservative party from 1952 to 1962.[1]