Globally, Милиус (Milus 
, Milius 
, Милиус 
) is a rare dominantly male, but seldom female first name. The given name Милиус is characteristic of Czechia, where it is a rare girly name, the United States, where it is a very rare boy's name, and China, where it is an extremely rare masculine name. Measured by absolute frequency, this name is the most popular in the United States, China, and India. More prevalently, Милиус is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Milus | Indonesia, France, Germany, United States, Hungary |
| Milius | Netherlands, France, Lithuania, Germany, United States |
| Милиус | Kyrgyzstan, Russia, Kazakhstan |