The present review article emphasizes the pivotal role of ISO 13485:2016 in facilitating the global harmonization of medical device regulations. Compliance with this standard is crucial for manufacturers aiming to access international markets, including India, Europe, and the USA. Harmonization of regulations simplifies the process of obtaining licenses and approvals, reducing burdens on manufacturers and enhancing patient safety. By implementing effective quality management systems, manufacturers can navigate the complex regulatory landscape and contribute to the global healthcare industry. The review article also underscores the diversity of medical devices available and acknowledges the substantial expansion of the Indian market. It discusses the stringent regulations outlined in the Indian Medical Device Rules (IMDR) 2017 and the challenges faced by nations in accessing high-quality medical devices. Furthermore, it touches upon the European Medical Device Regulations and the dynamic regulatory environment in the USA. In conclusion, the paper underscores the importance of ISO 13485:2016 in achieving global and regional harmonization of medical device regulations, thereby facilitating market access for manufacturers and confirming the assurance of safe and effective medical device products to patients worldwide.