Well, ours is Australian Rules Football.
http://www.heraldsun.news.com.au/com...5027934,00.jpg

Rugby, Cricket and Netball are also pretty popular here...
But none of them are exclusive to Australia.

We also have the V8 Supercar races to keep our motorsport appetites wet:
http://www.fpv.com.au/fpr/index.asp?link_id=29.437

What are the sports played in your countries?

 

hey there ours except the aussie rules, you forgot the league that we always lose