In this chapter, the authors present nanomaterials for biomedical application as promising technology of drug delivery, biosensors, and tissue engineering. Nanomaterials have revolutionized the field of biomedical applications because they provide sophisticated solutions for tissue engineering, biosensing, and drug administration through treating and diagnosing a variety of human ailments, including cancer, heart disease, dental conditions, and disorders of the central and peripheral nervous systems. Nanomaterials play a crucial role in achieving sustainable development goals by offering innovative solutions across various health sectors. In this chapter, the author discussion attempts to indicate the revolutionary impact of nanomaterials on biomedical research and clinical practice through an extensive discussion of recent developments and problems in the areas of nanomaterials for biomedical applications: drug delivery, biosensors, and tissue engineering.