| Dennis Abbott | |
| State House: | New Hampshire |
| State: | New Hampshire |
| District: | Rockingham 19th |
| Term Start: | 1994 |
| Term End: | 2000 |
| State House1: | New Hampshire |
| State1: | New Hampshire |
| District1: | Rockingham 12th |
| Term Start1: | 2004 |
| Term End1: | 2010 |
| Succeeded: | Incumbent |
| Party: | Democratic |
| Birth Date: | April 12, 1941 |
| Birth Place: | Exeter, New Hampshire, U.S. |
| Profession: | Technical writer |
| Spouse: | Evelyn |
| Residence: | Newmarket, New Hampshire, U.S. |
Dennis F. Abbott (born 1941) is a former Democratic member of the New Hampshire House of Representatives. He represented the Rockingham 12th District since a special election in 2004. He had previously served from 1994 through 2000.