This seven-volume set, LNCS 16541-16547, constitutes the proceedings of the 45th Annual International Conference on the Theory and Applications of Cryptographic Techniques, EUROCRYPT 2026, held in Rome, Italy, during May 10–14, 2026.

The 142 papers included in these proceedings were carefully reviewed and selected from 675 submissions. They are organized in topical sections as follows:
Part I: Signatures; Quantum Cryptography
Part II: Applied Cryptography
Part III: Multi-Party Computation
Part IV: Post-Quantum Cryptography
Part V: Foundations
Part VI: Symmetric Cryptography and Related Techniques
Part VII: Zero-Knowledge; Hardware and Embedded Systems