Walter Elmer Ekblaw (March 10, 1882 – June 7, 1949) was an American college professor who served as geologist, ornithologist and botanist on the Crocker Land Expedition (1913-1917).

Together with fellow senior, Clarence Foss Williams (1886-1971), he organized the first University of Illinois homecoming on October 15, 1910.

Members of the ill-fated expedition, including Ekblaw, were rescued by the ship Neptune, commanded by Robert Bartlett in 1917.

On his return to the United States, Ekblaw wrote a number of papers including The importance of nivation as an erosive factor and of soil flow as a transporting agency in northern Greenland (Proceedings of the National Academy of Sciences, Vol.

Journals from Maurice Tanquary, Ekblaw, Donald and Mirriam MacMillan are available online at the George J. Mitchell Department of Special Collections & Archives website.

Digitization of materials at Bowdoin College related to the Crocker Land Expedition funded by the Gladys Krieble Delmas Foundation in 2016.