| Mandaitivu | |
| Native Name: | Tamil: மண்டைதீவு Sinhala; Sinhalese: මන්ඩතිව් |
| Map: | Sri Lanka Northern Province#Sri Lanka |
| Map Relief: | yes |
| Label Position: | top |
| Coordinates: | 9.6133°N 79.9956°W |
| Area Km2: | 7.56 |
| Length M: | --> |
| Width M: | --> |
| Coastline M: | --> |
| Country: | Sri Lanka |
| Country Admin Divisions Title: | Province |
| Country Admin Divisions: | Northern |
| Country Admin Divisions Title 1: | District |
| Country Admin Divisions 1: | Jaffna |
| Country Admin Divisions Title 2: | DS Division |
| Country Admin Divisions 2: | Islands South |
| Country Area M2: | or |
| Country Area Ha: | --> |
| Population: | 1,524 |
| Population As Of: | 2012 |
| Density Km2: | 202 |
| Languages: | Tamil |
| Ethnic Groups: | Sri Lankan Tamils |
| Timezone1: | Sri Lanka Standard Time Zone |
| Utc Offset1: | +5:30 |
Mandaitivu (Tamil: மண்டைதீவு|translit=Maṇṭaitīvu; Sinhala; Sinhalese: මන්ඩතිව් Manḍativ) is an island off the coast of the Jaffna Peninsula in northern Sri Lanka, located approximately 3km (02miles) south of the city of Jaffna. The island has an area of 7.56km2 and is divided into three village officer divisions (Mandaitivu East, Mandaitivu South and Mandaitivu West) whose combined population was 1,524 at the 2012 census.[1] [2]
Mandaitivu is connected to the Jaffna Peninsula and the neighbouring island of Velanaitivu by a causeway.[3] [4]