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In the entire world, Olaus (Olaus , Олаф , Lávus) is a rare male given name. The forename Olaus is characteristic of Northern Europe, particularly Sweden, where it is quite a rare male name, and Norway, where it is a rare masculine name. Much less frequently, Olaus is the last name as well as the forename.
Olaus is also a name for the fictitious and mythical characters: Olaf , the fictional snowman from Disney's Frozen and Olaf Sildur , the Fictional character, The Prince's Act.