Throughout the world, Вильямс (Вильямс 
, Vilyams 
, Viliams 
) is a rare primarily masculine, but scarcely female first name. The first name Вильямс is habitual in Russia, where it is a very rare boy's name, and India, where it is an extremely rare epicene name. Also, Вильямс is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Вильямс | Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Vilyams | Kazakhstan, United States, India, Russia |
| Viliams | Greece, Brazil, India, Georgia, Croatia |