Ivan Lönnberg

Ivan Lönnberg
Self-portrait in blue
Born12 November 1891
Stockholm, Sweden
Died26 April 1918
Occupation(s)Modernist painter, marathon runner, war veteran
PartnerLena Börjeson (1917–1918)

Ivan Lönnberg (12 November 1891, Stockholm – 26 April 1918, Cachy) was a Swedish modernist painter, marathon runner, and war veteran. In style he was close to the Swedish painters of his generation known as "De Unga" ("The Young") which included Isaac Grünewald and Birger Simonsson.