Kekū‘iapoiwa I was a chiefess of the island of Hawaiʻi and Maui.
She remained on Maui and married her half-brother Kekaulike, founding the Kekaulike Dynasty of Maui which produced many chief politicians and nobles in the early days of the Kingdom of Hawaii.
She was also a sister of Alapainui and Haʻae and aunt of Kekuiapoiwa II, mother of the great king Kamehameha I.
She was a mother of Kamehamehanui Aiʻluau, and Kahekili II and grandmother of Kalanikūpule, the last of the longest line of ʻAliʻi Aimoku in the Hawaiian Islands.
Her daughter by Kekaulike was Kalola who married Kalaniʻōpuʻu and his half-brother Keōua and had Kīwalaʻō and Kekuiapoiwa Liliha respectively.