The series titled “ICT-based Responses to COVID-19 of Korea” is developed in order to share experiences of how the Korean Government responds to infectious diseases such as COVID-19 by utilizing digital government and ICT. The materials are organized into four modules. Module 1 focuses on the Korea’s governance for disaster risk management, healthcare system and policy, and national infectious disease management policy, which form the basis of Korea’s response to COVID-19. Module 2 focuses on digital government system for COVID-19 TEST (Special entry control system) established by the government for travelers in order to effectively prevent the spread of the infectious disease. Module 3 explains the digital government system and ICT services for COVID-19 Quarantine and Tracing of Korea, encompassing a series of efforts including prompt epidemiological investigation, contact tracing system etc. Module 4 presents digital government system and ICT services for COVID-19 Treatment of Korea, which covers background and objective of treatment system. Experience of the Korean government can be of great help to the international community in overcoming the COVID-19 pandemic.