| Sydney D. Heckbert | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term Start: | 1925 |
| Term End: | 1930 |
| Constituency: | Northumberland |
| Birth Date: | 9 February 1868 |
| Birth Place: | Summerside, Prince Edward Island |
| Death Place: | Chatham, New Brunswick |
| Spouse: | Estella May Bowser |
| Party: | Conservative Party of New Brunswick |
| Occupation: | merchant tailor |
| Children: | six |
| Residence: | Chatham, New Brunswick |
Sydney Duncan Heckbert (February 9, 1873 – August 5, 1953) was a Canadian politician. He served in the Legislative Assembly of New Brunswick as member of the Conservative party representing Northumberland County from 1925 to 1930.[1]