Walter Lowrie Fisher (July 4, 1862 – November 9, 1935) was United States Secretary of the Interior under President William Howard Taft from 1911 to 1913.

In 1890, he was elected as the fifth Grand Consul (the National President) of the Sigma Chi Fraternity, a position he held until 1892.

In 1906, he was appointed by Chicago mayor Edward Fitzsimmons Dunne to serve as Special Traction Counsel, a role in which he would assist the mayor in addressing the city's traction issue.

[1] He resigned the following year after Dunne rejected his advice to accept the Settlement Ordinances that had passed in the Chicago City Council.

[2] His papers, covering his professional and political careers and containing 14,000 items, are in the Library of Congress, Washington, D.C.[3] Fisher had a brother, Dr. Howard Lowrie Fisher, who established a hospital for war victims in France during World War I.