Native languages of Oceania fall into three major geographic groups:

Contact between Austronesian and Papuan resulted in several instances in mixed languages such as Maisin.

Non-indigenous languages include:

There are also creoles formed from the interaction of Malay or the colonial languages with indigenous languages, such as Tok Pisin, Bislama, Pijin, various Malay trade and creole languages, Samoan Plantation Pidgin, Hawaiian Pidgin, Norfuk, Pitkern, and Unserdeutsch

Finally, immigrants brought their own languages, such as Mandarin, Italian, Arabic, Cantonese, Greek and others in Australia, or Fiji Hindi in Fiji.