This book constitutes thoroughly reviewed, revised and selected papers from the 7th International Conference on Human Centered Computing, HCC 2021, held in virtually, due to COVID- 19, in December 2021.  The 18 full and 9 short papers presented in this volume were carefully reviewed and selected from a total of 68 submissions. The conference focuses on the following three main themes as follows: Data such as Data Visualization, Big Data, Data Security, Hyper connectivity such as Internet of Things, Cloud Computing, Mobile Network and Collaboration such as Collective Intelligence, Peer Production, Context Awareness and much more.