William Bishop may refer to:
Politicians
- William Bishop (fl.1421), MP for Ludgershall (UK Parliament constituency) in 1421
- William Bishop (by 1516-?58), MP for Great Yarmouth (UK Parliament constituency)
- William Bishop (politician), Missouri State Treasurer 1865–1869
- William D. Bishop (1827–1904), U.S. Representative from Connecticut
- William S. Bishop (ca. 1804–1863), New York politician
Sports
- Bill Bishop (American football) (1931–1998), NFL player
- Bill Bishop (1880s pitcher) (1869–1932), baseball pitcher for the Pittsburg Alleghenys and Chicago White Stockings
- Bill Bishop (1920s pitcher) (1900–1956), pitcher for the Philadelphia Athletics
Others
- Bill Bishop (author), American author, journalist and social commentator
- Billy Bishop (1894–1956), Canadian First World War pilot
- Bradford Bishop (William Bradford Bishop; born 1936), United States Foreign Service officer and fugitive from justice
- William Bishop (actor) (1918–1959), American actor
- William Bishop (bishop) (c. 1553–1624), English priest
- William Warner Bishop (1871–1955), librarian
- Lt. Col. William Bishop, a video game character in the Ace Combat series
- William H Bishop (1942-present), English marine artist