Cryptography plays a vital role in ensuring secure communication and data protection in various domains. Traditional cryptographic systems rely on mathematical algorithms and logical operations. However, recent advancements have explored alternative approaches, including the integration of fuzzy logic into cryptographic schemes. This paper presents a comprehensive review of cryptography based on fuzzy logic. It explores the fundamental concepts of fuzzy logic, its application in cryptography, and evaluates the strengths and limitations of fuzzy logic-based cryptographic systems. Furthermore, this review highlights the potential future directions and research challenges in this emerging field.