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Globally, Нильсен (Nielsen , Nilsen , Нильсен ) is quite a rare gender-neutral first name. The forename Нильсен is habitual in Denmark, where it is quite a rare largely male, but seldom female name, Mauritius, where it is quite a rare masculine name, and Paraguay, where it is quite a rare feminine name. Not in comparison with a country's population, it is the most numerous in the Democratic Republic of the Congo, Brazil, and China. Predominantly, Нильсен is the last name as well as the forename.
Нильсен is also a name for the fictitious and mythical characters: .