Can a U.S. citizen travel to Australia with a working holiday visa for New Zealand?

New Zealand visas are only good for travel to New Zealand. If you want to come to Australia for a couple of weeks as a tourist, you will need to get an ETA before you come.

https://www.eta.immi.gov.au/ETA/etas.jsp ETA

KoolKat, obviously not, you need an Australian Tourist visa to visit Australia.

Australia and New Zealand if you look at a map or Atlas are two different countries.

Australia & New Zealand are different countries and have their own specific requirements for entry by aliens. You will need a visa from Australia if you plan to come here.

No. You need the appropriate tourist visa for Australia.

New Zealand and Australia are two totally different countries.

One often has to wonder about the American education system.

Just to clarify the matter - Australia & New Zealand are two totally separate ( though friendly) countries.

Seperate countries, therefore you will need seperate visas. It's not like you can visit France and China (or Brazil and Canada or Bhutan and Belize) on the same visa can you?

Please read ALL the replies above which state, TWO DIFFERENT COUNTRIES.

Once read please Add Details and tell us,

You're blonde--right?