Foster's Lager is an internationally-distributed, Australian brand of beer produced by Foster's Group. Foster's Lager uses the slogan "The Amber Nectar," and overseas, "Australian for Beer."

While popular in many countries, where it is often brewed under license, Foster's Lager has only moderate appeal in its home country - mainly because it is promoted overseas by advertising making use of stereotypes of Australians as unsophisticated bush-dwellers. Victoria Bitter, brewed by Carlton and United Breweries, a subsidiary of Foster's Group, is in Australia almost universally regarded as a superior low-cost "basic" beer.

The Fosters brand is also used in Australia on several other beers, notably Fosters Light Ice , a low-alcohol lager.