The advent of financial technology (fintech) advances has caused a rapid transformation of the financial industry, causing major disruptions to the traditional banking and finance sectors. In an effort to shed light on how the financial industry is changing, this thesis examines the patterns and ramifications of fintech innovation and disruption. The first section of the paper is a thorough examination of the literature that describes the development of fintech as well as the theoretical underpinnings of disruption and innovation. Through case studies of profitable fintech businesses, it investigates current developments in fintech innovation, such as robo-advisors, blockchain technology, and digital payments. The thesis also examines the disruptive effects of fintech on the financial sector, emphasizing the ways in which fintech is changing the landscape of traditional banking and finance. Additionally, it addresses the regulatory issues raised by fintech. The thesis makes predictions about the direction of fintech based on the data and suggests possible areas for more study. With a summary of the most important findings and their ramifications for researchers, financial institutions, and legislators, it ends by highlighting the necessity of proactive tactics for adjusting to the shifting fintech environment. By adding to the body of knowledge already available on fintech innovation and disruption, this thesis helps academics, business professionals, and policymakers navigate the changing financial world. Through innovation and disruption, financial technology, or fintech, has become a disruptive force in the financial industry, altering traditional banking and finance. This thesis examines how fintech has developed and how it has affected the financial industry, emphasizing trends, obstacles, and stakeholder consequences. This study examines the several ways that fintech is changing the financial services sector, including banking, insurance, and investment management, through an extensive assessment of the literature. With an emphasis on regulatory sandboxes and open banking initiatives, it investigates how regulatory frameworks either support or impede fintech innovation and disruption. This thesis also explores the tactics used by prosperous fintech startups to overthrow established players and increase market share. It also takes into account the dangers and difficulties that come with fintech innovation, like issues with cybersecurity, data protection, and regulatory compliance.