| Bill Sowders | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 29 November 1864 |
| Birth Place: | Louisville, Kentucky |
| Death Place: | Indianapolis, Indiana |
| Debutleague: | MLB |
| Debutdate: | April 24 |
| Debutyear: | 1888 |
| Debutteam: | Boston Beaneaters |
| Finalleague: | MLB |
| Finaldate: | June 19 |
| Finalyear: | 1890 |
| Finalteam: | Pittsburgh Alleghenys |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 29-30 |
| Stat2label: | Earned run average |
| Stat2value: | 3.34 |
| Stat3label: | Strikeouts |
| Stat3value: | 205 |
| Teams: |
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William Jefferson "Little Bill" Sowders (November 29, 1864 – February 2, 1951) was a professional baseball player. He was a right-handed pitcher over parts of three seasons (1888–1890) with the Boston Beaneaters and Pittsburgh Alleghenys. For his career, he compiled a 29–30 record in 71 appearances, with a 3.34 earned run average and 205 strikeouts.
Sowders was born in Louisville, Kentucky, and later died in Indianapolis at the age of 86. Two of his brothers, John Sowders and Len Sowders, also played Major League Baseball.