Wairunga is a locality in Otago, New Zealand. It is located on SH1 to the south of Palmerston. The Pleasant River flows immediately to the west of Wairunga.
The locality's name is a Māori term literally meaning "water above" and translating as "stream flowing down from the mountains".
45°30′58″S 170°41′49″E / 45.516°S 170.697°E