This book constitutes refereed proceedings of the Workshops of the 18th European Dependable Computing Conference, EDCC: 13th Workshop on Software Engineering for Resilient Systems, SERENE 2022; Third Worskhop on Dynamic Risk Management for Autonomous Systems, DREAMS 2022, Third Workshop on Artificial Intelligence for Railways, AI4RAILS, held in Zaragoza, Spain, in September 2022.  The 11 workshop papers presented were thoroughly reviewed and selected from 22 submissions. The workshop papers complement the main conference topics by addressing dependability or security issues in specic application domains or by focussing in specialized topics, such as system resilience.