This book constitutes the refereed proceedings of the 32nd International Symposium on Model Checking Software, SPIN 2026, held in Turin, Italy, during April 15–16, 2026.

The 5 full papers, 1 short paper, and 1 tool paper included in this Volume were carefully reviewed and selected from 17 submissions. The focus of the symposium was on symbolic and state space-based techniques for the validation and analysis of software systems.