Change my name
Use the EzyReg online facility to change your address details or vehicle registration address details in South Australia.
Department of Planning, Transport and Infrastructure [SA]
Change your address details with the Northern Territory Motor Vehicle Registry. Changes can be made online, by phone or by mail.
Department of Transport [NT]
If you wish to change the name that appears in your passport, you must provide originals of documents that explain all name changes you have had since birth or obtaining Australian citizenship.
Department of Foreign Affairs and Trade
You can update your address, nominated representative and contact details held by the Australian Taxation Office (ATO) for income tax purposes using the online services. You can update your name, gender or date of birth only by phone, mail or in person as you may require supporting documents.
Australian Taxation Office