Eva Sylvia Waldemarsson (November 16, 1903 – May 24, 1986) was a Swedish writer, mainly known for her historical novels.The daughter of a wholesaler in Rinkaby, she taught for several years after completing her education.
She later worked as an office assistant in Kristianstad.Her first novel Himlavargen, published in 1959, was named best novel in Scania province.