Walter Dwight Wilcox (1869–1949) was an early explorer of the Canadian Rockies, especially in the Lake Louise region.
Wilcox was educated at Phillips Academy, Andover (Class of 1889) and Yale University (1893).
Walter Wilcox is known for his 1890's discovery and exploration of Paradise Valley, Desolation Valley and Prospector Valley near Lake Louise, Ab.. He is accredited with the first ascents of Mount Temple (3,543m), on Aug. 17, 1894 with Samuel S. E. Allen and Lewis Frissell. Walter Wilcox made first ascent on Mount Aberdeen (3,152m), Mount Niblock (2,976m) and Mount Indefatigable (2,670m).
In 1898, Mount Wilcox (2,884m) in the Columbia Icefield area of Jasper National Park was named in Wilcox's honour by J. Norman Collie. The pass that provides easy access to Mt. Wilcox was also named Wilcox Pass.