| Name | Gender | Origin |
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| Kjersti | Girl | Norwegian | | Kjerstin | Girl | Norwegian | | Kjetil | Boy | Norwegian | | Knut | Boy | Norwegian | | Knute | Boy | Norwegian | | Kristen | Unisex | Danish, English, German, Indian, Norwegian | | Kristian | Boy | Danish, Finnish, Norwegian | | Kristin | Girl | English, Indian, Norwegian, Scandinavian | | Kristina (Кристина) | Girl | Bulgarian, English, Indian, Indonesian, Norwegian | | Kristine | Girl | Danish, English, Indian, Norwegian | | Kristoffer | Boy | Finnish, Norwegian | | Laura | Girl | English, Finnish, Hungarian, Indian, Italian, Latin, Norwegian, Polish, Portuguese, Spanish | | Leif | Boy | Norwegian | | Lilly | Girl | English, Indian, Norwegian | | Linda (Линда) | Girl | Bulgarian, English, Finnish, German, Hungarian, Indian, Norwegian, Spanish | | Linus | Boy | English, Indian, Latin, Norwegian | | Lise | Unisex | Danish, French, German, Hebrew, Native American, Norwegian | | Liv | Girl | Norwegian, Scandinavian | | Lovise | Girl | Danish, Norwegian | | Magnhild | Girl | Norwegian | | Magnus | Boy | Latin, Norwegian | | Marcus | Boy | English, Indian, Latin, Norwegian | | Margrethe | Girl | Danish, German, Norwegian | | Mari (愛美, 愛海) | Girl | Finnish, Japanese, Norwegian, Welsh | | Maria (Μαρια) | Unisex | Czech & Slovak, Egyptian, English, Finnish, French, German, Greek, Hebrew, Hungarian, Indian, Italian, Latin, Norwegian, Polish, Portuguese, Spanish | | Marianne | Girl | English, Finnish, French, Indian, Norwegian | | Marie | Girl | English, French, Hebrew, Indian, Norwegian | | Marit | Girl | Norwegian | | Marius | Boy | English, French, Indian, Latin, Norwegian | | Martha (Μαρθα) | Girl | Biblical, English, Greek, Hebrew, Indian, Norwegian | | Martin (Мартин) | Boy | Bulgarian, English, Finnish, French, German, Hungarian, Indian, Norwegian, Russian, Spanish | | Martina | Girl | English, Indian, Italian, Latin, Norwegian, Spanish | | Mats | Boy | Norwegian | | Morten | Boy | Danish, Norwegian | | Nal | Boy | Indian, Norwegian | | Nanna | Girl | English, Hebrew, Indian, Norse, Norwegian | | Nikolaus | Boy | Finnish, German, Norwegian | | Nils | Boy | Norwegian | | Njord | Boy | Norwegian | | Odd | Boy | Norwegian | | Oddmund | Boy | Norwegian | | Ola | Unisex | Hawaiian, Norwegian, Polish | | Olaf | Boy | Norwegian, Polish | | Olav | Boy | Norwegian | | Ole | Boy | Norwegian | | Oliver | Boy | English, Finnish, French, Indian, Norwegian | | Olivia | Girl | English, Indian, Norwegian, Portuguese, Spanish | | Oscar | Boy | English, Indian, Norwegian, Portuguese | | Oskar | Boy | Norwegian | | Otto | Boy | Finnish, German, Hungarian, Norwegian |
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