Aspartame serves as a cornerstone in modern nutrition science and industry due to its unusually high sweetness intensity relative to calories. This article has explored the full spectrum of names associated with aspartame—from chemical descriptors to brand names—highlighting how these terms appear in different contexts and why awareness of them matters for stakeholders across the supply chain. The discussion also situates aspartame within broader trends in artificial sweeteners, including regulatory developments, labeling practices, and consumer education. The goal is to provide a robust, readable reference that helps readers recognize aspartame in diverse sources and make informed decisions about its use in foods and beverages.