Xperia Tablet (former code names Sony S1 and Sony S2), formerly known as Sony Tablet, is the brand name of a series of tablet computers. The first models used to run Google‘s operating system Android 3.1 Honeycomb, but more recent models operate on the Android 4.1.2 system. The series was formally launched in Berlin and Tokyo on 31 August 2011. The series currently consists of the Sony Xperia Tablet S and the Sony Xperia Tablet Z, announced in 2013.

The first models were informally announced on 26 April 2011, using the code names, by the Sony Corporation in the Sony IT Mobile Meeting. They featured touchscreens, two cameras (a rear-facing 5 MP, a front-facing 0.3 MP), infrared sensor, Wi-Fi. Also, they support PlayStation Suite, DLNA, and are 3G/4G compatible.