During the last decade, the field of ancient history and classics has witnessed a slow but steady increase of publications applying to Greco-Roman history the concepts of social network analysis (SNA). As the case studies in this special, guest-edited issue of The Journal of Historical Network Research show, SNA promises to offer new perspectives on a research field mainly dominated by more traditional prosopographical studies and at the same time provide a powerful tool for analyzing and visualizing social and political connections in ancient societies.