This book constitutes the proceedings of the 24th International Conference, ICWE 2024, held in Tampere, Finland, during June 17-20, 2024. The 16 full papers and 8 short papers included in this volume were carefully reviewed and selected from 66 submissions.This volume includes all the accepted papers across various conference tracks.The ICWE 2024 theme, “Ethical and Human-Centric Web Engineering: Balancing Innovation and Responsibility,” invited discussions on creating Web technologies that are not only innovative but also ethical, transparent, privacy-focused, trustworthy, and inclusive, putting human needs and well-being at the core.