Óttar is an Scandinavian name. It stands for 'fearless warrior'.
In Heimskringla, Ottar is a Swedish king. The same king appears in Beowulf as Ohthere. See Ottar (king).
In Norse mythology, Óttar is the protégé of Freya, and the subject of the Lay of Hyndla .
The name Óttar Böllur appears in the Icelandic Saga Njála
The viking adventurer Ottar from Hĺlogaland