Worldwide, Milby (Milby 
) is a very rare unisex first name. The given name Milby is habitual in Philippines, where it is a very rare largely girly, but uncommonly masculine name, and the United States, where it is an extremely rare gender-neutral name. Predominantly, Milby is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Milby | United Arab Emirates, United Kingdom, India, United States, Saudi Arabia |