All over the world, Нильс (Nils 
, Niels , Bohr 
) is a common boy's first name. The given name Нильс is habitual in Sweden, where it is a common masculine name, Greenland, where it is quite a common male name, and Denmark (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Germany, Sweden, and Belgium. Much less frequently, Нильс is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nils, Niels | Germany, Sweden, Belgium, Denmark, Netherlands |
| Bohr | Germany, Sweden, United States, France, New Zealand |
| Нильс | Kazakhstan, Russia |
Miklavž, Miklos, Miklós, Mikola, Mikołaj, Mikuláš, Mykola, Mykoła, Niccolò, Nicholas, Nickel, Nicolaas, Nicolae, Nicolaes, Nicolas, Nicolau, Nicolay, Nicolino, Nicolo, Nicolás, Nicolò, Nicos, Niilas, Niilo, Nikolai, Nikolai, Nikolaj, Nikolaj, Nikolajs, Nikolajus, Nikolao, Nikolaos, Nikolas, Nikolass, Nikolaus, Nikolay, Nikolaz, Nikolaï, Nikos, Nikołaj, Nil'S, Nyikolaj, Νίκολας, Νίκος, Νικολάου, Νικόλαος, Νικόλας, Коля, Миклош, Микола, Миколай,
Нильс is also a name for the fictitious and mythical characters: Jimmy Neutron , the animated character, Jimmy Neutron: Boy Genius; Nils Holgersson , character in The Wonderful Adventures of Nils; Abyss , the fictional character in Marvel Comics; Niels Buckingham , the main character from the danish sitcom Langt fra Las Vegas and Nils Svendsen , character in Mot i brøstet, among other works.