Over the past decade, institutional theory has been extensively utilized in the field of social entrepreneurship (SE). However, an encompassing overview of the wide-ranging applications of institutional theory to SE is lacking, potentially hampering academic advances in this domain. To fill this gap, we conduct a systematic review and supplementary bibliometric analysis of 148 papers published between 2008 and 2022 to comprehensively understand the nexus of SE and institutional theory while also outlining the integration of ethics herein. Our analysis shows (...) that the existing research is divided into three clusters, reflecting three unique conversations between SE and institutional theory: institutional and societal change through SE, institutional complexity and hybrid organizations, and the institutional context of SE. We find that ethics is only integrated into these conversations to a limited degree. Based on our analysis, we zoom in on each conversation to identify the existing research gaps and point to new opportunities for future research. We also encourage SE scholars to zoom out on the abovementioned conversations to enrich this promising field by critically examining ethics and incorporating relevant insights from other research fields (i.e., social movement theory, category, and emotions). (shrink)