What is S3 in AWS? All Questions › Category: Cloud Computing › What is S3 in AWS? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago S3 stands for a simple storage device that will provide a web service interface by which you can store the data and retrieve the data at any time very easily.