The European Semantic Web Conference (ESWC) is a major venue for academic research and developments in the area of the Semantic Web and Knowledge Graphs. The 23rd edition will take place from May 10 to 14, 2026, in Dubrovnik, Croatia. ESWC welcomes original research and application submissions covering all aspects of Semantic Web technologies and Knowledge Graphs. Submissions should be original, present significant results, and include rigorous, principled, and repeatable evaluations.