| Les Hennessy | |
| Position: | Second baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 12 December 1893 |
| Birth Place: | Lynn, Massachusetts |
| Death Place: | New York, New York |
| Debutleague: | MLB |
| Debutdate: | June 4 |
| Debutyear: | 1913 |
| Debutteam: | Detroit Tigers |
| Finalleague: | MLB |
| Finaldate: | July 20 |
| Finalyear: | 1913 |
| Finalteam: | Detroit Tigers |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 14 |
| Stat2label: | At bats |
| Stat2value: | 22 |
| Stat3label: | Hits |
| Stat3value: | 3 |
| Teams: | |
Lester Baker Hennessy (December 12, 1893 – November 20, 1976) was a second baseman in Major League Baseball. He played for the Detroit Tigers.[1]
Hennessy attended Lafayette College, where he played football and baseball.[2]