Ailuk Atoll
| Map of Ailuk Atoll | |
| Geography | |
|---|---|
| Location | North Pacific | 
| Coordinates | 10°19′40″N 169°56′00″E / 10.32778°N 169.93333°E | 
| Archipelago | Marshall Islands | 
| Total islands | 57 | 
| Area | 5.4 km2 (2.1 sq mi) | 
| Highest elevation | 3 m (10 ft) | 
| Administration | |
| Demographics | |
| Population | 235 (2021) | 
| Ethnic groups | Marshallese | 
Ailuk Atoll (Marshallese: Aelok, [ɑelʲokʷ]) is an inhabited coral atoll of 57 islets in the Pacific Ocean, and forms a legislative district of the Ratak Chain of the Marshall Islands.