Introduction: Philosophers consider justice to be the moral virtue of society; That is, just as honesty, truthfulness and trustworthiness can be considered the virtues of individual ethics, justice is also the virtue of a society; Therefore, both morality and justice can be considered as the characteristics of an individual or society, especially justice has a special and distinct social aspect and is considered the society's morality. Justice is one of the concepts about which various theories have been proposed and people have presented various programs to realize it. Liberal democracy, which after the renaissance, religious reformism, and the enlightenment era, gradually opened its foothold in the theories of human sciences and historical developments, is the source of a kind of intellectual tradition known as humanism, and with this approach, it promotes a special discourse of justice. Considering this, the article was formed with the aim of investigating the concept of justice as a moral virtue of societies in the discourse of liberal democracy. Material & Methods: In this research, data collection was done in document-library form and data analysis was done with the "discourse analysis" method and based on the theoretical framework of " Laclau and Mouffe's discourse analysis". Conclusion: Theorizing about justice in the discourse of liberal democracy is influenced by the approach that places individual freedom, private property and humanism as the basis. The concept of justice in this discourse is based on ontological and epistemological foundations. Liberal democracy believes in instrumental rationality, absolute profit, individualism, welfare, individual inequality.
