YabberChat  
   Australian chat room.
   http://www.yabberchat.com

Oz.org  
   A stand-alone IRC volunteer run network with up to 4000 simultaneous users. Offers channel registration services, maintained by the Australian Channel Service (AUCS).
   http://www.oz.org/

AussieChat2000  
   Chat rooms that cater for all ages and preferences. Everyone is welcome.
   http://aussiechat2000.com.au

AuzChat  
   Australian chat community, small in size but growing. Providing free chat rooms and channel registration services
   http://www.auzchat.com

Telstra BigPond Chat  
   Australian chat, with easy to use and well categorised chat rooms. Includes regular visits from various celerities and other events.
   http://bigpond.com/chat/

eClubOz  
   Provides free chat rooms, personal web pages, email addresses and internet phones.
   http://www.ecluboz.com/

NineMSN Chat Community  
   Chat community featuring lots of different topic rooms.
   http://chat.msn.com/default.msnw?pgmarket=en-au