| Samuel Isaac Betts | |
| Office: | Deputy of the General Assembly of the Colony of Connecticut from Norwalk[1] |
| Term Start: | May 1693 |
| Term End: | October 1693 |
| Predecessor: | John Platt, James Olmsted |
| Alongside: | Samuel Hayes |
| Successor: | Samuel Hayes, James Olmsted |
| Office2: | Member of the Connecticut House of Representatives from Norwalk |
| Term Start2: | May 1710 |
| Term End2: | October 1710 |
| Predecessor2: | Samuel Keeler, Joseph Platt |
| Alongside2: | Joseph Platt |
| Successor2: | John Betts |
| Birth Date: | 4 April 1660[2] |
| Birth Place: | Milford, Connecticut Colony[3] |
| Residence: | Norwalk, Connecticut Colony |
| Spouse: | Judith Reynolds (m. December 10, 1692) |
| Children: | Mary Betts Olmsted, Samuel Betts, Stephen Betts, Nathan Betts, Hepzibah Betts Nobles, Judith Betts |
Samuel Isaac Betts (April 4, 1660 – May 31, 1733) was a deputy of the General Assembly of the Colony of Connecticut from Norwalk in the sessions of May 1693, and a member of the Connecticut House of Representatives in the session of May 1710.
He was the son of Thomas and Mary Raymond Betts, and the brother of Thomas Betts.