Today, Trinitarian ontology represents one of the most vital areas of research in Italy, where philosophy and theology meet to rethink the foundation of being through a relational lens. Starting from the rediscovery of the centrality of the Trinitarian mystery—God as a communion of persons—numerous Italian scholars are contributing to the development of a thought that, moving beyond the logic of individualism, proposes a vision of humanity and the world based on relationship, gift, and reciprocity.