William Schneider or Bill Schneider may refer to:
- William Schneider (politician) (born 1959), attorney general of Maine
- Bill Schneider (musician), bassist, guitar tech, and tour crew manager
- Bill Schneider (journalist) (born 1944), political commentator for CNN
- Buzz Schneider (born 1954), American ice hockey player, 1980 Olympic gold medalist
- Creed Bratton (William Charles Schneider, born 1943), American actor
- William Schneider, Jr. (born 1941), chairman of the Defense Science Board