This book explores the essential role of microfinance in sustainable socio-economic development in Morocco. It highlights how microfinance institutions (MFIs) contribute to the financial inclusion of disadvantaged populations, particularly women and micro-entrepreneurs, who are often excluded from the traditional banking system. Through in-depth analysis, the author demonstrates how microfinance stimulates job creation, reduces poverty and promotes economic empowerment. The book also examines the challenges facing the sector, such as regulation, the sustainability of MFIs, and the integration of digital technologies to improve the efficiency of financial services. In conclusion, it is argued that microfinance, while facing challenges, remains a strategic lever for achieving inclusive and sustainable socio-economic development in Morocco.