Wetterhoff-Asp, 7 May 1870, Helsinki – 18 February 1946) was a Finnish multiartist: painter, sculptor, writer, and a pseudo-linguist.
He is best known for his fantastic theories about the past of the Finnish people, whom he believed to have descended from Ancient Egypt.His parents were Georg August Asp (1834—1901), professor of anatomy at the University of Helsinki and Mathilda Sofia Wetterhoff (1840—1920), developer of female gymnastics.
Wettenhovi-Aspa studied art in Copenhagen in the Royal Danish Academy of Fine Arts 1888-91.
He organized several art shows known as the Free Exhibitions.