This document discusses structured data on Wikimedia Commons. It begins by introducing Wikimedia Commons and describing how structured data conversion since 2017 has made Commons files easier to view, search, edit, organize and reuse in many languages. Examples of structured data integration with Wikidata, upcoming features like multilingual captions, and research conducted with GLAM institutions is provided. The document outlines potential benefits of structured data for GLAMs, tool developers, and enabling new uses of Commons content beyond Wikipedia. It concludes by inviting involvement in GLAM focus groups and pilot projects to further structured data work.