This book constitutes revised papers from the International Workshops held at the 19th International Conference on Business Process Management, BPM 2021, in Rome, Italy, during September 6-10, 2021.  Papers from the following workshops are included: 5th International Workshop on Artificial Intelligence for Business Process Management (AI4BPM'21) 17th International Workshop on Business Process Intelligence (BPI'21) 1st International Workshop on BPM Governance for and Beyond DigitalTransformation (BPMGOV'21) 1st International Workshop on Business Process Management and Routine Dynamics (BPM&RD'21) 14th International Workshop on Social and Human Aspects of Business Process Management (BPMS2'21) 9th International Workshop on DEClarative, DECision and Hybrid approaches to processes (DEC2H'21) 5th International Workshop on Business Processes Meet the Internet-of-Things(BP-Meet-IoT'21) 4th International Workshop on Security and Privacy-enhanced Business Process Management (SPBP'21) Each of the eight workshops focused on particular aspects of business process management. Overall, after a thorough review process, there were 31 full papers selected from a total of 60 submissions.