瓦纳卡湖是新西兰的湖泊，由奥塔哥大区负责管辖，长42公里、宽10公里，面积192平方公里，是该国第四大湖泊，海拔高度300米，平均水深300米。

Lake Wanaka is located in the Otago region of New Zealand, at an altitude of 300 metres. Covering an area of 192 km (74 sq mi), it is New Zealand's fourth largest lake, and estimated to be more than 300 m (980 ft) deep. Its name is Māori, a corruption of Oanaka ('The place of Anaka', a local tribal chief).