The Ireland versus Australia Autumn Series is a series of rugby union matches played between the national teams of Ireland and Australia during the autumn international window. In rugby union, the autumn internationals are a series of test matches played by the major rugby nations in the Northern Hemisphere against teams from the Southern Hemisphere. These matches usually take place in November, following the conclusion of domestic club competitions.

When Ireland faces Australia in the autumn series, it's often a highly anticipated matchup between two of the world's top rugby nations. These matches provide an opportunity for both teams to test their strength and skills against formidable opponents as they prepare for other major competitions, such as the Six Nations Championship or the Rugby Championship. The outcome of these matches can vary depending on the form and preparation of each team, but they generally showcase high-quality rugby and intense competition.