This study examines the relationship between individuals’ social identities and levels of hope. It further analyzes how this relationship is shaped by belief in social justice and the potential for collective action. Findings from this quantitative research conducted with 176 participants reveal that belief in social justice positively affects individuals’ levels of hope, while collective action potential strengthens group-based solidarity and promotes social change. In conclusion, belief in social justice and collective action potential play significant roles in enhancing individuals’ hope. This study offers important contributions for strategies of social change and for efforts aimed at increasing individuals’ hopes.