The Wirangu language, also written Wirrongu, Wirrung, Wirrunga, and Wirangga, and also known by other exonyms, is a moribund Australian Aboriginal language traditionally spoken by the Wirangu people, living on the west coast of South Australia across a region encompassing modern Ceduna and Streaky Bay, stretching west approximately to the head of the Great Australian Bight and east to Lake Gairdner.

[3] Although there are very few fully fluent Wirangu speakers left, many Aboriginal people in the Ceduna area remember parts of the language.

With the assistance of linguists from the University of Adelaide a number of printed and digital books have been produced for use in schools and in the wider community.

), borrowings from other languages (maatha [ma:t̪a] < English "master"), and cases of initial consonant loss across phonological boundaries (marna + (k)artu = marnaartu [maɳa:ʈu]).

The consonantal phonemic inventory of Wirangu is very similar to that of many other Pama Nyungan languages, with six series of stops and nasals.