 View of the shores of Henrietta Island. | |
 Henrietta is the northernmost island of the De Long group | |
| Geography | |
| Location | Arctic Ocean |
| Coordinates | 77°06′N 156°30′E / 77.100°N 156.500°E |
| Archipelago | De Long Islands |
| Area | 15 km2 (5.8 sq mi) |
| Length | 6 km (3.7 mi) |
| Width | 5 km (3.1 mi) |
| Highest elevation | 312 m (1024 ft) |
| Highest point | Ice cap |
| Administration | |
Russia | |
| Federal Subject | Yakutia |
| Demographics | |
| Population | uninhabited |
Henrietta Island (Russian: Остров Генриетты, romanized: Ostrov Genriyetty; Yakut: Хенриетта Aрыыта, romanized: Xenriyetta Arııta) is the northernmost island of the De Long archipelago in the East Siberian Sea. Administratively it belongs to Yakutia of the Russian Federation.