Nilsen Prev Random Next GenderMaleOriginScandinavianVictorious; conquerer of the people. Variant of Nicholas.Syllables2Alternate Spellings of NilsenNicholaus, Nilo, Nikos, Nikko, Nikki, Nicolo, Klaus, Klas, Cole Prev Random Next Share this:Tweet Share on Reddit (Opens in new window) Reddit Share on Tumblr