The 2021 IEEE International Conference on Real-time Computing and Robotics (IEEE RCAR 2021) will take place from July 15 to 19, 2021 in the beautiful city of Xining, Qinghai, China. The objective of this conference is to provide a forum for researchers in robotics and real-time computing to share the latest results and to explore the opportunity of research collaboration. With wide applications of robots in industry and services sectors, real-time computing plays one of the major roles in various topics in robotics including real-time control, human-robot interactions, sensor perception and fusion, robot intelligence, etc.