Special Session on “Fog Computing and the IoT” was held on September 9th, 2021, as a track in 26th International Conference on Emerging Technologies and Factory Automation (ETFA) in Västerås, Sweden. The special session was organized by FORA and co-chaired by Dr. Silviu Craciunas from TTTech, Dr. Xenofon Fafoutis from DTU, and Dr. Alessandro Papadopoulos from MDH. The special session is held in the continuation of workshops on Fog Computing and the IoT.