The article explores the pivotal role of big data in financial technology (FinTech) and its implications for financial inclusion. Through a comprehensive literature review, the study highlights how big data catalyzes the development of novel financial products and services, enhances risk management, and boosts operational efficiency, thereby fostering financial inclusion. Key findings include the ability of big data to offer insightful customer behavior analytics, which is crucial for creating inclusive financial services. However, challenges such as data privacy and security, and the need for ethical algorithmic practices are also identified. The research contributes valuable insights for policymakers, regulators, and industry practitioners, suggesting the need for balanced regulatory frameworks to harness big data's potential ethically and responsibly. The outcomes underscore the transformative power of big data in FinTech, indicating a pathway toward a more inclusive financial ecosystem.The article explores the pivotal role of big data in financial technology (FinTech) and its implications for financial inclusion. Through a comprehensive literature review, the study highlights how big data catalyzes the development of novel financial products and services, enhances risk management, and boosts operational efficiency, thereby fostering financial inclusion. Key findings include the ability of big data to offer insightful customer behavior analytics, which is crucial for creating inclusive financial services. However, challenges such as data privacy and security, and the need for ethical algorithmic practices are also identified. The research contributes valuable insights for policymakers, regulators, and industry practitioners, suggesting the need for balanced regulatory frameworks to harness big data's potential ethically and responsibly. The outcomes underscore the transformative power of big data in FinTech, indicating a pathway toward a more inclusive financial ecosystem.