Other
- Walter A. Davis (born 1942), American philosopher, critic, and writer; author of Inwardness and Existence
- Walter Davis (Australian politician), former President of the Tasmanian Legislative Council
- Walter Davis (botanist) (1847–1930), Victorian plant collector
- Walter Naylor Davis (1876–1951), Democratic politician from the state of Missouri
- Walter R. Davis (1920–2008), Texas oil tycoon and N.C. philanthropist
- Walter Davis, Springfield, Illinois mechanic, who assisted in Abraham Lincoln's patent
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