Vahitahi, or Vaitake, is an atoll in the eastern area of the Tuamotu Archipelago, French Polynesia.

Vahitahi's nearest neighbour is Akiaki, which is located 41 kilometres (25 miles) to the northwest.

Vahitahi is a small atoll with an elongated oval shape.

Vahitahi Atoll was the first land that Louis Antoine de Bougainville found in the Pacific in 1768.

James Cook reached Vahitahi the following year and named it Lagoon Island.