Anton Jonsson Genberg, born 20 June 1862 in Östersund, died 8 January 1939 in Saltsjö-Storängen in Stockholm County, was a Swedish painter. Genberg painted naturalistically with the northern mountain world as a motif. Genberg was the son of the butcher Pehr Jonsson and Anna Genberg and from 1895 married to Maria Charlotta Anderberg. After teacher training in Östersund, Genberg studied at the Technical School in Stockholm 1882-1884, at the same time he studied at Oscar Törnå's private painting school, then he studied with Per Daniel Holm at the Art Academy 1884-1889, where he was awarded several scholarships and medals. Genberg exhibited separately several times at the Artists' House in Stockholm and participated in exhibitions in Berlin, St. Louis, Buenos Aires and Munich as well as the Baltic exhibition in Malmö and collective exhibitions with Sweden's general art association and the Swedish artists' association.

He made himself known as a painter of snowy landscapes from Norrland, especially mountain landscapes. The Stockholm area, Dalarna and the birth area in Jämtland were also popular motifs in Genberg's art. He is represented at the National Museum, among other things, with the large canvas Winter Eve. He was vice-chairman of the Swedish Artists' Association 1913-1918 and a member of the board of Sweden's general art association 1906-1939. He was elected as a member of the Academy of Arts in 1922. Genberg lived 1916-1924 at Parkvägen 46 in Storängen, Nacka, in the nationally romantic Villa Wallbeck-Hansen, which was later inhabited by the artist Roland Svensson. In 1924, Genberg had a villa built at Ängsvägen 14 in Storängen, designed by architect Per Benson. There he lived until 1929. Genberg died in 1939 and is buried in Östersund at the Norra Begravningsplatsen. Genberg is represented at the National Museum, Helsingborg's museums, Gävle museum, Jamtli, the Nordic museum and the Västerås art association's gallery.