Ronja

The name Ronja was popularized by Astrid Lindgren's 1981 children's fantasy novel 'Ronja Rövardotter' (Ronia the Robber's Daughter). Lindgren reportedly created the name herself, possibly inspired by the name of a small island in Sweden called 'Rönnskär' or by the Russian word 'Ronja' (ронья) which can mean 'shining' or 'gleaming'. The name quickly gained popularity in Scandinavia and other parts of Europe following the book's success and subsequent film adaptation.

While its immediate origin is literary, the sound and potential inspirations for the name give it a somewhat Nordic or Slavic feel. Its association with a strong, independent, and nature-loving character from Lindgren's work has cemented its image as a spirited and adventurous name. It is a relatively modern name without a long historical lineage prior to Lindgren's creation.