Knud Johan Victor Rasmussen (June 7, 1879 - December 21, 1933) was a Greenlandic polar explorer and anthropologist.
Rasmussen was born in Jakobshavn, Greenland. When on his first expedition in 1902-1904, "The Literature Expedition" with Jørgen Brønlund, Harald Moltke and Ludvig Mylius-Erichsen to examine Inuit culture. In 1910 he established the Thule Trading Station at Cape York (Uummannaq), Greenland as a base. He went on several expeditions between 1912-1919, including travelling over the Viscount Melville Sound and crossing the Northwest Passage by dogsled.
From 1921-1924 he went on his famous "Great Sledge Journey" to collect and describe Inuit songs and legends. For that effort he gained a post at the University of Copenhagen.
He was also patron of the first long polar movie "SOS Iceberg" (regie: Leni Riefenstahl)