Bobby O'Brien boxer
- bouts
- 17
- won
- 6
- lost
- 10
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1953-04-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1960-02-29 | Graham Lightfoot | LWWWW | Sydney Stadium, Sydney | LOST KO |
| 1959-12-14 | Billy Brown | WWWWLW | Sydney Stadium, Sydney | LOST Points |
| 1959-11-30 | Brian Sams | WWWWWL | Sydney Stadium, Sydney | LOST Points |
| 1959-11-23 | Billy Brown | WWWW | Sydney Stadium, Sydney | WIN Points |
| 1959-09-28 | Barry Fitzgerald | W | Sydney Stadium, Sydney | LOST Points |
| 1959-09-22 | Robert Ingelman | DWWL | Rivoli Hall, Parramatta | LOST KO |
| 1959-09-21 | Tony Spina | LLLLLL | Sydney Stadium, Sydney | WIN Technical knockout |
| 1957-06-11 | Ray Tyler | WWWL | Leichhardt Stadium, Sydney | LOST KO |
| 1957-06-03 | Tony Spina | WLWW | Sydney Stadium, Sydney | WIN KO |
| 1957-01-21 | Noel McLean | D | Sydney Stadium, Sydney | LOST Points |
| 1955-12-12 | Dave King | WWDWLL | Sydney Stadium, Sydney | NC No Contest |
| 1955-11-21 | Noel Simons | debut | Sydney Stadium, Sydney | WIN Points |
| 1954-11-24 | Ken Heydon | LWLLLW | Sydney Sports Ground, Sydney | LOST Points |
| 1953-06-04 | Jimmy Young | debut | Leichhardt Stadium, Sydney | LOST Points |
| 1953-05-25 | Charlie Smith | debut | Sydney Stadium, Sydney | WIN Points |
| 1953-04-30 | Terry Walsh | WL | Leichhardt Stadium, Sydney | WIN Points |
| 1953-04-23 | Ned Wilson | debut | Leichhardt Stadium, Sydney | LOST Points |