The University of Isfahan and The Ferdowsi University of Mashhad are jointly organizing the Fifth International Conference on Internet of Things to be held on May 19-20, 2021 in Isfahan, Iran. These universities, among the top-ranked universities with their strong research culture, will host researchers, scientists, engineers, and practitioners in the field of IoT, to exchange their latest research results and findings. It is anticipated that the meeting will gather many people from all around the world.