Ōtaua is a rural community in the Far North District and Northland Region of New Zealand's North Island.

The local Pukerātā or Ōtaua Marae is a meeting place of the Ngāpuhi hapū of Ngāi Tāwake and Ngaitu te Auru / Ngaitu. It includes Te Rau Tawainui meeting house.

There are also three Ngāi Tāwake ki te Waoku marae southeast of the main village: Te Huehue Marae and meeting house, Ngāi Tāwake Marae and meeting house, and Paripari Marae and meeting house.

35°29′56″S 173°41′56″E/35.499011°S 173.698803°E/ -35.499011; 173.698803