| Walt Thomas | |
| Position: | Shortstop |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | April 28, 1884 |
| Birth Place: | Altoona, Pennsylvania, U.S. |
| Death Place: | Altoona, Pennsylvania, U.S. |
| Debutleague: | MLB |
| Debutdate: | September 18 |
| Debutyear: | 1908 |
| Debutteam: | Boston Doves |
| Finalleague: | MLB |
| Finaldate: | October 3 |
| Finalyear: | 1908 |
| Finalteam: | Boston Doves |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .154 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 1 |
| Teams: |
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William Walter Thomas (April 28, 1884 – June 6, 1950) was an American professional baseball player. He played part of one season in Major League Baseball for the Boston Doves from 1908. He appeared in five games, all as a shortstop.