The Wanneroo Show is an annual Agricultural show held on the last weekend of November each year within the City of Wanneroo at the Wanneroo Showgrounds. The show is the premier annual event within the City of Wanneroo featuring agricultural competitions, rides, and showbags. The show attracts over 20,000 people each year making it the states largest regional agricultural show.

The Wanneroo Agricultural Society, the organizing body for the show has been active since 1909 and was initially created in order to assist in developing the small community of agricultural growers.

The Wanneroo Agricultural Society has been organising the show for more than 100 years. The society and show are rich in history, which was recognized in 2009 when the Wanneroo show was awarded Wanneroo community event of the year. The Wanneroo Show has a bright future ahead as it enters into its second century. There is something for everyone at this years Wanneroo Show.