- Naddur = Point, spear.
- Naður = Snake. Name of a sword or a man.
- Nafar = Drill, gimlet. One of Grýla's sons.
- Naggur = A small islet. A small but powerful man.
- Naglfari = Term for a sword.
- Narfi = The slim one. Mn.
- Nasi = A horse with a snip.
- Naskur = Keen, clever.
- Náttafari = He who travels by night.
- Nátthrafn = He who is still up late in the evening, night-owl.
- Nátttröll = A troll that lives at night and turns to stone when touched by daylight.
- Nebbi = Nose. The name suggests a lighter colour on the muzzle.
- Neisti = look at Gneisti.
- Nennir = He who is disposed to do something, a diligent horse. (look at Nykur)
- Neri = Miser. Old and uncommon mn.
- Nertill = Fire.
- Nesi = A horse named after a peninsula (nes).
- Niði = He who is of a dark colour. Name of a dwarf.
- Niðhöttur = A dark hat. Name or a dwarf.
- Niður = droning, roaring.
- Nípingur = Derived from the word gnípa. (look at Nípa (mountain top)) Name of a dwarf.
- Nístingur = Bitter cold, gust.
- Njáll = Mn., from Irish Niall "Hero".
- Njörður = A Norse god. "He decides the ways of the wind and adjusts sea and fire. To go to sea or to hunt, pledge him your vows." (SnE)
- Nói = A small container to eat from. Noah. Mn.
- Nollur = A shiver of cold (look at Hnollur).
- Nonni = Pet name for Jón.
- Norðri = Name of a dwarf. Northerly wind.
- Nóri = Name of a dwarf, urchin.
- Nótti = A horse that is named after the night.
- Nubbur = A butt, a short one.
- Númi = The Latin name Numa. Used in Númarímur by the Icelandic poet Sigurður Breiðfjörð.
- Núpur = Mountain top, pinnacle.
- Nykur = Also called (look at:) Nennir or Water horse: A magic horse living in the water. Usually it is grey or dapple grey, sometimes black. All its hoofs point the wrong way (ÞjsJÁ).
- Næðingur = Cold wind.
- Næfill = Name of a sea-lord.
- Næsill = A small container to eat from. A quick-moving fellow.
- Nökkvi = Boat.