Te Rēinga Falls is a powerful 35-metre waterfall located north of Wairoa on New Zealand's North Island, formed where the Hangaroa and Ruakituri Rivers merge just above the drop.

Officially comprising four waterfalls, the water tumbles down in stages over Pliocene calcareous sandstone and limestone — rock rich in fossils — before funneling into a narrow channel that generates heavy mist.

Access is via SH38 to Frasertown, then Tinoroto Road for approximately 25 kilometres to Te Rēinga, where a short walk from the carpark leads to a lookout. The view of the falls is partially obscured by limited access, making them a striking but elusive sight.

Below the falls, the combined flow marks the beginning of the Wairoa River, which continues south to Hawke Bay.