| Irv Hach | |
| Position: | Second Baseman/Third Baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | June 5, 1873 |
| Birth Place: | Louisville, Kentucky |
| Death Place: | Louisville, Kentucky |
| Debutleague: | MLB |
| Debutdate: | July 1 |
| Debutyear: | 1897 |
| Debutteam: | Louisville Colonels |
| Finalleague: | MLB |
| Finaldate: | July 17 |
| Finalyear: | 1897 |
| Finalteam: | Louisville Colonels |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 16 |
| Stat2label: | At bats |
| Stat2value: | 51 |
| Stat3label: | Hits |
| Stat3value: | 11 |
| Teams: |
|
Irvin William Hach (1873–1936) was a Major League Baseball second baseman and third baseman. He played for the 1897 Louisville Colonels.