This eleven-volume set constitutes the refereed proceedings of the 33rd International Conference on Neural Information Processing, ICONIP 2026, held in Melbourne, VIC, Australia, through November 23–27, 2026.

The 427 full papers presented in these eleven CCIS volumes were carefully selected and reviewed from 1261 submissions. The papers cover a broad range of topics across Theory and Algorithms, Cognitive Neurosciences, Human-Centered Computing, and Applications.