| Gjerdinga | |
| Mapframe-Zoom: | 9 |
| Location: | Trøndelag, Norway |
| Coordinates: | 64.9517°N 11.4294°W |
| Area Km2: | 5.5 |
| Length Km: | 3.6 |
| Width Km: | 2.4 |
| Elevation M: | 117 |
| Highest Mount: | Øyrshatten |
| Country: | Norway |
| Country Admin Divisions Title: | County |
| Country Admin Divisions: | Trøndelag |
| Country Admin Divisions Title 1: | Municipality |
| Country Admin Divisions 1: | Nærøysund Municipality |
| Population: | 20 |
| Density Km2: | 3.6 |
Gjerdinga[1] is an island in Nærøysund Municipality in Trøndelag county, Norway. The island lies at the northern end of the Nærøysundet.[2] Most of the 20 residents of the island live in the village of Gjerdinga on the southeastern part of the island. The island is connected to the mainland by a ferry operated by Namsos Trafikkselskap. The ferry goes between Sæla (on the island) and Eidshaug (on Kvingra on the mainland) six times per day.