ʻO Lānaʻi (ʻōlelo ʻia [lɑːnɑʔi]) ka mokupuni nui loa ʻeono o nā mokupuni o Hawaiʻi. Kapakapa ʻia ka "Pineapple Island", no ka mea, i ka wā mamua, he mahi hala kahiki ʻo Lānaʻi. Aia kekahi kūlanakauhale iki, ʻoia hoʻi, ʻo Lanaʻi City. He 18 mile ke ākea o ka mokupuni. He 140.5 kapuaʻi kuea (364 km²) ka ʻalea. A laila, ʻoia ka mokupuni nui loa kanahākūmālua ma ʻAmelika Hui. Aia ke alawai Kalohi mawaena o ua mokupuni la ame ʻo Molokaʻi. Aia ke alawai ʻAuʻau mawaena o Lānaʻi ame ʻo Maui. Ma ka makahiki 2000, aia 3,193 poʻe ma Lānaʻi.

He ʻōmuku kēia mea Hawai‘i. Inā hiki iā ʻoe ke ʻōlelo Hawaiʻi, e kōkua mai i ka holomua ʻana i kēia mea.