Danish

Proper noun

Nielsen

1. A common surname​.

Icelandic

Etymology

From Danish Nielsen.

Alternative forms

• Nilsen

Pronunciation

• IPA^(key): /ˈnil.sɛn(ː)/

Proper noun

Nielsen

1. A surname​.

Norwegian

Etymology

Originally a patronymic from Niels +‎ -sen.

Proper noun

Nielsen

1. A surname​.