| Dee Walsh | |
| Position: | Outfielder/Shortstop |
| Birth Date: | March 28, 1890 |
| Birth Place: | St. Louis, Missouri, US |
| Death Place: | St. Louis, Missouri, US |
| Bats: | Both |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | April 10 |
| Debutyear: | 1913 |
| Debutteam: | St. Louis Browns |
| Finalleague: | MLB |
| Finaldate: | August 24 |
| Finalyear: | 1915 |
| Finalteam: | St. Louis Browns |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .195 |
| Stat2label: | Hits |
| Stat2value: | 44 |
| Teams: |
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Leo Thomas "Dee" Walsh (March 28, 1890 – July 14, 1971) was a Major League Baseball outfielder and shortstop who played for three seasons. He played for the St. Louis Browns from 1913 to 1915, playing in 89 career games.