Tamatea Urehaea also known as Tamatea Pōkai-whenua and Tamatea Pōkai-moana was a Māori ariki (chieftain) of the Tākitimu tribal confederation and ancestor of the Ngāti Kahungunu iwi, who probably lived in the fifteenth century. He is famous as an explorer who circumnavigated both islands of New Zealand. After he was expelled from his base at Kaitaia, he settled in Hawke's Bay, but continued to explore the North Island.

Māhaki was a Māori rangatira (chieftain) in the area north of modern Gisborne on the East Cape of New Zealand and the ancestor of the Te Aitanga-a-Māhaki iwi. He may have lived in the late fifteenth and early sixteenth centuries.