This book constitutes the refereed proceedings of the 16th IFIP WG 8.5 International Conference on Electronic Participation, ePart 2024, held in Ghent, Belgium, during September 3-5, 2024. The 15 full papers included in this book were carefully reviewed and selected from 35 submissions. The conference is dedicated to digital or electronic government, open government, local government (smart cities), smart governance, artificial intelligence (AI), e-democracy, policy informatics, and electronic participation.