| Full name: | Leo Patrick Joseph O'Brien |
| Born: | 2nd July 1907, West Melbourne, Victoria, Australia |
| Died: | 13th March 1997, Mentone, Victoria, Australia |
| Batting: | Left-hand batter |
| Bowling: | Right-arm medium pace |
| Teams: | Australia (Test: 1932/33-1936/37); Victoria (Main FC: 1929/30-1937/38); All teams |
| Lists of matches and more detailed statistics | |
| Test Career Batting and Fielding (1932/33-1936/37) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Australia | 5 | 8 | 0 | 211 | 61 | 26.37 | 0 | 2 | 3 | |
| First-Class Career Batting and Fielding (1929/30-1937/38) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Overall | 61 | 97 | 7 | 3303 | 173 | 36.70 | 7 | 16 | 24 | |
| First-Class Career Bowling (1929/30-1937/38) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 166 | 3 | 127 | 3 | 1-3 | 42.33 | 0 | 0 | 55.33 | 4.59 |