Koolauhuiia Protestant Church is a Christian congregation in Anahola, Hawaii, serving the community since 1865. Part of the United Church of Christ, the church is affiliated with the Association of Hawaiian Evangelical Churches and the Kauaʻi Association of the UCC. Its worship services include elements of ʻōlelo Hawaiʻi, reflecting the culture and values of its kūpuna. The congregation describes itself as small and welcoming, committed to living with aloha, supporting the island community, and serving as a spiritual and physical refuge.