Gustaf Theodor Wallén (14 December 1860, Stockholm - 15 January 1948, Leksand), was a Swedish painter, graphic artist, and sculptor.
[1] He was born to Fritz Leonard Wallén, a master carpenter, and his wife, Maria Gustava née Östergren.
After receiving a major stipend, he epent the years 1888-1892 on study trips throughout Europe and North Africa.
In addition to landscape and portrait paintings, in oils and watercolors, he created sculptures; notably the reliefs on the doors of the Konstnärshuset at the Academy.
Shortly before his death, he donated his home and studio, and a substantial cash endowment, to establish the Leksand Folk High School [sv], which teaches arts and crafts.