This chapter examines the social entrepreneurship field from the perspectives of seven major theoretical frameworks: the Schumpeterian Theory of Innovation, the Opportunity-Based View, Human Capital Theory, Social Capital Theory, Resource Mobilization Theory, Institutional Theory, and the Theory of Change. While prior research has examined these theories individually, this chapter provides a novel synthesis by highlighting how they intersect to explain the multidimensional nature of social entrepreneurship. Each theory is reviewed in terms of its foundational contribution and limitations, and the discussion is elaborated with real-world applications, from Tom’s Shoes to Barefoot College and Social Enterprise Mark. The analysis shows that the seven theories collectively emphasize the interplay of innovation, opportunity recognition, individual and social capacity, resource mobilization, legitimacy, and systems-level change. By integrating practical examples with theoretical insights, this chapter contributes both a theoretical framework and a practitioner lens of understanding of the complex dynamics of social entrepreneurship.