Palladium is a rare and lustrous silvery-white metal. Palladium has the lowest melting point and is the least dense of platinum group metals. The primary use for palladium is in catalytic converters for the automotive industry. Palladium-based complexes are appealing alternative metal-based drugs because of significant similarities regarding structure and coordination chemistry with the platinum agents. Research suggests that one of the big reasons for the negative side effects of most anti-cancer drugs could be the use of the metal platinum as the core element in most of them. There is, however, evidence that the side-effects could be minimised by replacing it with a close metal relative, palladium. Currently, palladium complexes are being studied for their anti-cancer activity. Palladium nanoparticles (PdNPs) have attracted wide attention owing to their multifaceted utility in catalysis, sensors, and biomedical applications. Their therapeutic spectrum includes anticancer, antiviral, antibacterial, antifungal, antidiabetic, antioxidant potential which rationalizes the exploration of diverse physical, chemical, and biological routes for fabrication.