Johnny Hahn boxer
- bouts
- 26
- won
- 12
- lost
- 11
- draw
- 2
- Status
- inactive
- Division
- welterweight
- Debut
- 1921-02-24
- Height
- -
- Reach
- -
- Age
- 72
- Born
- 1904-11-08
- Death
- 1977-10-00
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1930-04-22 | Vic Bandish | L | Knights of Columbus Auditorium, Oil City | LOST Technical knockout |
| 1929-09-27 | Edgie Ryan | LLLLLD | Carney Auditorium, Erie | LOST Points |
| 1929-08-02 | Johnny Piai | WLWWLW | Outdoor Arena, Erie | LOST Points |
| 1929-06-28 | Chip Freeman | LLLLDD | Outdoor Arena, Erie | LOST Points |
| 1929-06-14 | Billy Olger | debut | Outdoor Arena, Erie | WIN Points |
| 1929-04-05 | Young Guido | LWWLLL | State Armory, Oil City | LOST KO |
| 1929-03-22 | Joe Corelli | WWLLLL | Erie Arena, Erie | DRAW Points |
| 1929-02-18 | Tug Phillips | LWDWLW | State Armory, Oil City | LOST KO |
| 1929-01-25 | Tug Phillips | LLLWDW | Erie Arena, Erie | WIN |
| 1929-01-11 | Jack McCarthy | WLDLL | Erie Arena, Erie | WIN KO |
| 1928-12-17 | Jimmy Lafferty | debut | State Armory, Oil City | WIN KO |
| 1928-12-03 | Joe Kaminski | debut | Meadville | WIN KO |
| 1928-09-24 | Young Guido | DWLWDW | State Armory, Oil City | LOST Points |
| 1928-04-23 | Al Delmont | WLW | State Armory, Oil City | WIN KO |
| 1928-02-27 | Stanley Deer | LDL | State Armory, Oil City | WIN Points |
| 1928-02-16 | Al Delmont | WL | Meadville | LOST KO |
| 1928-01-30 | George Peck | DLLDWL | State Armory, Oil City | WIN Technical knockout |
| 1927-12-14 | Billy Batey | WLLLLL | Meadville Armory, Meadville | WIN KO |
| 1927-07-27 | Johnny Kaminski | L | Conneaut Lake Park, Meadville | WIN |
| 1927-05-25 | Stanley Deer | L | Conneaut Lake Park, Meadville | DRAW Points |
| 1927-03-17 | Young Allen | debut | Meadville | WIN KO |
| 1927-02-28 | Eddie Raven | debut | Meadville | WIN Technical knockout |
| 1927-02-16 | Mike Krick | debut | Meadville | NC No Contest |
| 1922-01-20 | Jimmy Cauvel | LW | Opera House, Oil City | LOST KO |
| 1921-12-16 | Earl Krotzer | LWL | Opera House, Oil City | LOST KO |
| 1921-08-23 | Johnny Feather | WWW | Bethlehem Steel Field, Lebanon | LOST |
| 1921-03-17 | Jimmy Cauvel | L | Opera House, Oil City | LOST KO |
| 1921-02-24 | Jimmy Cauvel | debut | Opera House, Oil City | WIN KO |