The 2011 Apia International Sydney is a joint ATP and WTA tennis tournament, that will be played on outdoor hard courts. It will be the 120th edition of the Apia International Sydney, and is apart of the ATP World Tour 250 series of the 2012 ATP World Tour, and of the WTA Premier tournaments of the 2012 WTA Tour. Both the men's and the women's events will take place at the NSW Tennis Centre in Sydney, Australia, from 8 January to 14 January 2012.