Karaitivu may refer to
- Karaitivu (Puttalam) - A Tamil village in Puttalam District, North Western Sri Lanka
- Karaitivu (Island) - An island Tamil village in Jaffna District, Northern Sri Lanka
- Karaitivu Island, An island Tamil village in Gulf of Mannar near Kudiramalai, Northern Sri Lanka
- Karaitivu (Ampara) - A Tamil village in Ampara District, North Eastern Sri Lanka
Karaitivu is a coastal village situated in the Eastern Coast of Sri Lanka about 30 miles (44 km) south of Batticaloa and is next to Kalmunai town. This is one of the oldest surviving village settlements in the Ampara District.
Karaitivu or Kaaraitheevu , is an island linked to Jaffna Peninsula, Sri Lanka by a Causeway. Karainagar is the biggest town on this island.
Karaitivu is a coastal village situated in the Calpentyn peninsula of the Puttalam District and is located 12 km away from Puttalam, the district headquarters.