| David Hess | |
| Office: | Minority Leader of the New Hampshire House of Representatives Acting |
| Predecessor: | Michael Whalley |
| Successor: | Sherman Packard |
| Term Start: | March 1, 2008 |
| Term End: | December 2008 |
| State House1: | New Hampshire |
| State1: | New Hampshire |
| District1: | Merrimack 24th |
| Term Start1: | 1994 |
| Term End1: | December 2016 |
| Succeeded: | Incumbent |
| Birth Date: | 21 June 1942 |
| Birth Place: | Allentown, Pennsylvania, U.S. |
| Spouse: | Judith Ann |
| Profession: | Attorney |
| Party: | Republican |
David W. Hess is a Republican member of the New Hampshire House of Representatives representing the 9th District since 1994.