Waihāhā is a village and rural community in the Taupō District and Waikato region of New Zealand's North Island.

The New Zealand Ministry for Culture and Heritage gives a translation of "noisy water" for Waihāhā.

Waihāhā is part of the Lake Taupo Bays statistical area.

The suburb has two marae:

• Waihāhā Marae and Haukapuanui meeting house is a meeting place of the Ngāti Tūwharetoa hapū of Ngāti Hā, Ngāti Tarakaiahi and Ngāti Wheoro, and the Ngāti Raukawa hapū of Ngāti Hā.
• Waimiha Marae and Te Ihingarangi meeting house is a meeting place of the Rereahu hapū of Ngāti Hinewhatihua, Ngāti Kahuiao, Ngāti Turakiwai and Te Ihingarangi.

38°45′46″S 175°41′08″E / 38.762649°S 175.685639°E / -38.762649; 175.685639