| Leon Williams | |
| Position: | Pitcher |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | December 2, 1905 |
| Birth Place: | Macon, Georgia |
| Death Place: | Atlanta |
| Debutleague: | MLB |
| Debutdate: | June 2 |
| Debutyear: | 1926 |
| Debutteam: | Brooklyn Robins |
| Finalleague: | MLB |
| Finaldate: | August 30 |
| Finalyear: | 1926 |
| Finalteam: | Brooklyn Robins |
| Statleague: | MLB |
| Stat1label: | Wins-losses |
| Stat1value: | 0-0 |
| Stat2label: | ERA |
| Stat2value: | 5.40 |
| Stat3label: | Strikeouts |
| Stat3value: | 3 |
| Formerteams: |
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Leon Theo Williams (December 2, 1905 – November 20, 1984),nicknamed "Lefty", was a Major League Baseball player who played pitcher in . He played for the Brooklyn Robins.