“Foundation of Business Analytics” is an attempt to provide a detailed review and consolidation of the various core concepts and significant progresses in the emerging domain of Business Analytics. The chapter starts with an attempt to provide the reader the overview of the term “Business Analytics” and its association with the term “Data Analytics”. The chapter then highlights the significant milestones that have critically evolved the dynamic field, tracing its evolution from its early stages to its present status as a vital and indispensable tool for efficient decision-making process that is being backed by data across organizations and it sets the stage for a comprehensive exploration of the topic by outlining the chapter's scope and objectives. The next section details the transformative impact of technological advancements on Business Analytics and discusses the importance of data collection and pre-processing techniques in order to maintain data quality and integrity, the next section details different forms of Business Analytics, including descriptive, diagnostic, predictive, and prescriptive analytics where each category is thoroughly explained. The chapter concludes by emphasizing the diverse applications of Business Analytics across various industries, underlining its importance as a valuable asset in driving data-driven decisions and optimizing business performance. In summary, “Foundation of Business Analytics “ is an insightful book chapter that provides a detailed analysis of the core principles, techniques, and applications of Business Analytics and it attempts to equip readers with a comprehensive understanding of this dynamic field, enabling them to leverage data effectively and make informed decisions to succeed in today’s data-driven business landscape.