The Milky Way doesn't have a single, official name beyond "The Milky Way." However, here's a bit about its name:

* "Milky Way" is the most common name in English and many other languages. It originates from the Greek term "galaxias kyklos," meaning "milky circle," and is based on its appearance as a faint, milky band of light across the night sky.

* Other cultures have their own names: In ancient Rome, it was called the "Via Lactea," meaning "Milky Way" as well. Other cultures have names that reflect their own interpretations of its appearance, like "the River of Heaven" in China.

So, while "The Milky Way" is the most widely recognized name, there are many other names that have been used throughout history.