According to AFP:
The queen’s representative in Australia, Governor-General Quentin Bryce…expressed support for the country becoming a republic.
Bryce made the comments at a speech in Sydney on Friday evening in which she outlined a future vision for Australia…
Australians voted against becoming a republic in a 1999 referendum and over the years the issue has faded from the limelight, but the matter has support from politicians on both sides of parliament.
Australia is a parliamentary democracy that retains Britain’s monarch as its head of state.