There are very many Austronesian languages, according to many sources over 1500. Only some of them are spoken by big numbers of people.
These are examples:
In Indonesia : Indonesian, Javanese, Sundanese, Madurese, Minangkabau, Buginese (Bugis), Acehnese, Balinese, Banjar (Banjarese), Sasak, Lampung, Rejang, Gorontalo, Mongondow, Ngaju.
In the Philippines: Tagalog, Cebuano, Ilocano, Hiligaynon, Bicolano, Waray-Waray, Kapampangan, Pangasinan, Magindanao, Tausug, Maranao.
In Madagascar : Malagasy.
In Malaysia and Brunei : Malay.
In East Timor : Tetun.
In Oceania: Fijian.