Otukou () is a rural community in the Taupà  District and Waikato region of New Zealand's North Island.
The main Otukou settlement is located on State Highway 46, on the south-eastern shore of Lake Rotoaira.
Okahukura Bush lies to the south, at the north end of the Tongariro Crossing.
Otà «kou Marae, located west of the lake, is a meeting place of the local NgÃÂti Tà «wharetoa hapà « of NgÃÂti Hikairo. It includes the Okahukura meeting house.
In October 2020, the Government committed $1,338,668 from the Provincial Growth Fund to upgrade the marae and 4 other NgÃÂti Tà «wharetoa marae, creating 19 jobs.