The five-volume set LNCS 17089-17093 constitutes the proceedings of the 35th International Conference on Artificial Neural Networks and Machine Learning, ICANN 2026, held in Padua, Italy on September 14–17, 2026. The 296 papers included in these conference proceedings were carefully reviewed and selected from 450 submissions. The conference strongly values the synergy between theoretical progress and impactful real-world applications, and actively encourages contributions that demonstrate how artificial neural networks are being used to address pressing societal and technological challenges.