Ōtorohanga District is a territorial authority in the King Country area and Waikato region of the North Island of New Zealand.

Ōtorohanga District is located south of Hamilton, west of Rotorua, and northwest of Taupō.

It stretches from Kawhia Harbour on the west coast inland to the Pureora Forest Park.

The district has a land area of 1,999.18 square kilometres (771.89 sq mi).

[3] It was reconstituted as part of the 1989 local government reforms, with a nearly identical area.

Other communities include Hauturu, Honikiwi, Kawhia, Maihiihi, Oparau, Ōtewā, Owhiro, Puketotara, Te Kawa and Wharepuhunga.

The district covers 1,999.19 km2 (771.89 sq mi)[1] and had a population density of 5.5 people per km2 in June 2024.

The results were 76.3% European (Pākehā); 32.5% Māori; 3.2% Pasifika; 4.4% Asian; 0.6% Middle Eastern, Latin American and African New Zealanders (MELAA); and 2.8% other, which includes people giving their ethnicity as "New Zealander".