The 23^rd International Sol-Gel Conference will be held in Lisbon, Portugal, 31 August–4 September 2026. It will gather leading experts in inorganic and organic-inorganic hybrid materials developed via sol-gel and related soft-chemistry routes. As a key forum for academia and industry, it will foster collaboration with global leaders. From fundamentals to applications, the conference will showcase the latest advances in materials and nanomaterials design, an unmissable opportunity for professionals in the sol-gel field.