William Harper may refer to:
- William Harper (composer) (born 1949), composer and photographer
- William Harper (South Carolina) (1790–1847), US Senator from South Carolina
- William Allen Harper, JFK assassination witness
- William Claude Harper (born 1944), American jewelry artist
- William Edmund Harper (1878–1940), Canadian astronomer
- William Rainey Harper (1856–1906), first president of the University of Chicago
- Bill Harper (1898–1989), Scottish football (soccer) goalkeeper
- Billy Harper, jazz saxophonist
- Willie Harper, former American football linebacker
- Will Harper, minor Eastenders character
- William Harper, Jr., pioneer aviator with the Wright brothers
Famous quotes containing the word harper:
“The thanksgiving of the old Jew, “Lord, I thank Thee that Thou didst not make me a woman,” doubtless came from a careful review of the situation. Like all of us, he had fortitude enough to bear his neighbors’ afflictions.”
—Frances A. Griffin, U.S. suffragist. As quoted in History of Woman Suffrage, vol. 4, ch. 19, by Susan B. Anthony and Ida Husted Harper (1902)