| Lew Whistler | |
| Position: | First baseman |
| Bats: | Unknown |
| Throws: | Right |
| Birth Date: | 1868 3, mf=yes |
| Birth Place: | St. Louis, Missouri |
| Death Place: | St. Louis, Missouri |
| Debutleague: | MLB |
| Debutdate: | August 7 |
| Debutteam: | New York Giants |
| Finalleague: | MLB |
| Finaldate: | June 15 |
| Finalteam: | St. Louis Browns |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .244 |
| Stat2label: | Runs |
| Stat2value: | 150 |
| Stat3label: | Runs batted in |
| Stat3value: | 133 |
| Teams: |
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Lewis W. Whistler (né Wissler; March 10, 1868 – December 30, 1959) was an American Major League Baseball player who played the majority of his career as a first baseman. In his four-season career, he played for the New York Giants (1890–1891), Baltimore Orioles (1892), Louisville Colonels (1893) and St. Louis Browns. His major league totals include: 272 games played, 1014 at bats, and a .244 batting average. Whistler died in his hometown of St. Louis, Missouri at the age of 91, and is interred at Bethany Cemetery in Pagedale, Missouri.