This chapter explores the transformative role of nanomaterials in modern catalysis, beginning with the fundamental principles that distinguish nanocatalysts from their bulk counterparts. It examines the innovative development of nanobiocatalysts that bridge biological and synthetic catalytic systems, followed by their groundbreaking applications in pharmaceutical drug synthesis. The discussion investigates how nanoscaffolds function as sophisticated platforms that enhance catalytic performance through controlled molecular interactions. Current trends in nanocatalysis are analyzed, with particular emphasis on sustainable technologies and novel nanomaterial designs. The chapter concludes by exploring the integration of artificial intelligence and Internet of Things technologies with nanocatalytic systems, illustrating how digital innovation is revolutionizing catalyst design, optimization, and industrial implementation. Through detailed analysis supported by recent research, this chapter offers comprehensive insights into how nanomaterials are reshaping catalytic processes across scientific and industrial domains.