| Les Rock | |
| Position: | First baseman |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 19 August 1912 |
| Birth Place: | Springfield, Minnesota |
| Death Place: | Davis, California |
| Debutleague: | MLB |
| Debutdate: | September 11 |
| Debutyear: | 1936 |
| Debutteam: | Chicago White Sox |
| Finalleague: | MLB |
| Finaldate: | September 23 |
| Finalyear: | 1936 |
| Finalteam: | Chicago White Sox |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 2 |
| Stat2label: | At bats |
| Stat2value: | 1 |
| Stat3label: | Hits |
| Stat3value: | 0 |
| Teams: |
|
Lester Henry Rock (born Lester Henry Schwarzrock; August 19, 1912 – September 9, 1991) was a first baseman in Major League Baseball. He played for the Chicago White Sox in 1936.[1]