The chapter discusses how international agencies and institutions can potentially promote sustainable entrepreneurship, covering the activities of the United Nations, the World Bank, and the IFC in terms of policy frameworks, funding, and capacity-building initiatives that can support sustainable business practices. The chapter also focuses on the roles of public–private partnerships in the achievement of Sustainable Development Goals (SDGs) by discussing many case studies on successfully implemented sustainable entrepreneurship initiatives through the support of international institutions. At the end of the chapter, readers will appreciate the critical role these agencies play in fostering sustainable economic growth and innovation.