Olowalu is a community on the west side of the island of Maui in the state of Hawaii. It is located about 4 miles south of Lahaina on the Honoapiʻilani Highway. It is a census-designated place, with a population at the 2020 census of 100.It once sustained a large population, governed by the high chiefess Kalola, daughter of Maui ruler Kekaulike, and grandmother of Keopuolani.