The Emperor of Portugallia (Swedish: Kejsarn av Portugallien) is a novel by Nobel-laureate Selma Lagerlöf, published in 1914 with drawings by Albert Engström. Lagerlöf called it a "Swedish King Lear". The novel was a success with critics and readers, newspaper reviewers said the novel was at the same level as Lagerlöf's earlier novels Gösta Berling's Saga and the first part of Jerusalem. It has been filmed three times: 1925, 1944 and 1992. An English translation by Velma Swanston Howard was published in 1916.