Which religion was practiced in Oceania before the arrival of Europeans?

Before the arrival of Europeans, many Indigenous peoples in Oceania practiced animism, which involved the belief that spirits inhabit natural objects and landscapes. Additionally, various island cultures developed their own unique belief systems and deities, often centered around ancestral worship and the veneration of nature. In some regions, such as Hawaii, Polynesian religion included complex pantheons of gods and goddesses, rituals, and a strong connection to the land and sea. Overall, these spiritual practices were deeply intertwined with the local cultures and ways of life.