Elsa "Ellen" Favorin was a Swedish-speaking Finnish painter.
Her parents were Anders Abraham Favorin and Lovisa Ingman. After attending the painting schools in Helsinki and Stockholm, she continued her studies in Munich, Düsseldorf and at the Académie Julien in Paris. She often painted landscapes and was one of the artists who joined Victor Westerholm in the artists' colony at Önningeby on the island of Åland. She died together with her sister in a fire at their home in Lohja in 1919.