This comprehensive guide bridges the gap between theoretical fuzzy logic methodologies and their practical applications in real-world scenarios. The book details the implementation of mathematical and fuzzy logic methods across decision-making, management, and engineering challenges, while addressing the growing uncertainty in modern environments that traditional methodologies fail to adequately handle.Mathematical and Fuzzy Methodologies for Decision Making, Management, and Engineering equips readers with actionable frameworks for applying complex mathematical and fuzzy methodologies to actual business and engineering cases. The book explores real applications of diverse methodologies, introduces mathematical and fuzzy methods for decision-making, and provides step-by-step explanations of implementation procedures. Each chapter demonstrates how these advanced techniques can improve organizational outcomes through detailed case studies from multiple countries and industries, ensuring broad applicability across regional contexts.This book is intended for graduate students, professors, researchers, and industry professionals. The new thematic trends, methodologies, and applications presented allow for techniques to be implemented with varying levels of complexity across different applications and scenarios.