| Lelu | |
| Location: | North Pacific |
| Coordinates: | 5.3333°N 165°W |
| Archipelago: | Caroline |
| Total Islands: | 1 |
| Area Km2: | 1 |
| Elevation M: | 109.7 |
| Population: | 1,594 |
| Population As Of: | 1980 |
| Country: |  Federated States of Micronesia |
| Ethnic Groups: | Micronesian (Kosraean) |
Lelu Island is a small island in Lelu Harbour, in the Lelu municipality of Kosrae. It is home to the Leluh archaeological site.
Kosrae State Department of Education operates Lelu Elementary School on Lelu Island. High school students attend Kosrae High School in Tofol.[1]