Those in favour of a "Brexit" say it will become easier for Aussies wanting to study or work in the UK. Aussie wine makers and other exporters could also potentially benefit. 
LONDON CALLING Leave proponents argue Brexit will give Britain greater control over immigration.
EU citizens would, like Australians, probably have to apply for work and study visas. That could reduce the current squeeze on Australian applicants.
TRADING TIES Prime Minister Malcolm Turnbull says Australia's talks with the EU about a free-trade agreement in 2017 will continue.
The benefits many Australian businesses derive from using the UK as a base to expand into Europe may be affected.
DRINK UP Britain is the No. 1 export destination by volume for Australian wines. The extra tariff on Australian wines in Britain, unlike those exported from the EU, could be lifted, making Aussie wine cheaper in the UK.
Alternatively, it could be slapped on all imported wine, creating a more level playing field at the retail level.
EDUCATION EU uni students may want to head to Australia as fees could increase in Britain and visa rules may be introduced.
The International Education Association of Australia expects Brexit to make it easier for Australian academics to work at British universities, but others argue they would be less attractive as they would no longer be a springboard to EU institutions.
HOLIDAYA UK holiday has become a lot cheaper, thanks to a much weaker British pound. The Australian dollar is now buying 54 pence.