The six volume set of LNCS 12622-12627 constitutes the proceedings of the 15th Asian Conference on Computer Vision, ACCV 2020, held in Kyoto, Japan, in November/ December 2020.* The total of 254 contributions was carefully reviewed and selected from 768 submissions during two rounds of reviewing and improvement. The papers focus on the following Part 3D computer vision; segmentation and grouping Part low-level vision, image processing; motion and tracking Part recognition and detection; optimization, statistical methods, and learning; robot vision Part deep learning for computer vision, generative models for computer vision Part face, pose, action, and gesture; video analysis and event recognition; biomedical image analysis Part applications of computer vision; vision for X; datasets and performance analysis *The conference was held virtually.