| Harry Jacoby | |
| Position: | Second Baseman/Third Baseman/Outfielder |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | Unknown |
| Birth Place: | Philadelphia |
| Death Date: | July 22, 1900 |
| Death Place: | Philadelphia |
| Debutleague: | MLB |
| Debutdate: | May 2 |
| Debutyear: | 1882 |
| Debutteam: | Baltimore Orioles |
| Finalleague: | MLB |
| Finaldate: | September 19 |
| Finalyear: | 1885 |
| Finalteam: | Baltimore Orioles |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .165 |
| Stat2label: | Home runs |
| Stat2value: | 1 |
| Stat3label: | RBI |
| Stat3value: | 1 |
| Teams: | |
Harry M. Jacoby (died July 22, 1900) was a professional baseball player in the American Association for the 1882 and 1885 Baltimore Orioles.