Orua Bay is a rural settlement on the northern tip of the Āwhitu Peninsula and south coast of the Manukau Harbour in the Auckland Region of New Zealand.

[6] A Wesleyan Mission was opened by Reverend William Woon at Orua Bay in 1836, and the Church Missionary Society kept a station there from 1837 to 1844.

[8] During the 2023 Auckland Anniversary Weekend floods, a landslide collapsed a bach and resulted in five other dwellings being evacuated.

Orua Bay is part of the larger Āwhitu statistical area.

The results were 81.8% European (Pākehā), 9.1% Māori, and 18.2% other, which includes people giving their ethnicity as "New Zealander".