"Walter Clark" may refer to:
* Walter Clark (Canadian politician) (died 1987), Canadian politician, served in the Legislative Assembly of Manitoba
* Bill Clark (Walter Clark, born 1944), American police detective and television writer and producer
* Walter Eli Clark (1869–1950), American politician, Governor of Alaska
* Walter McKenzie Clark (1846–1924), North Carolina jurist
* Walter Van Tilburg Clark (1909–1971), American author of short stories, poetry and novels
* Walter Leighton Clark (1859–1935), American businessman, inventor and artistMore Walter Clark on Wikipedia.