| Full name: | Iain Edward O'Brien |
| Born: | 10th July 1976, Lower Hutt, Wellington, New Zealand |
| Batting: | Right-hand batter |
| Bowling: | Right-arm medium pace |
| Teams: | New Zealand (Test: 2004/05-2009/10); New Zealand (ODI: 2007/08-2008/09); New Zealand (International Twenty20: 2008/09-2009); Wellington (Main FC: 2000/01-2009/10); Wellington (Main ListA: 2003/04-2009/10); Wellington (Main Twenty20: 2006/07-2008/09); Leicestershire (Main ListA: 2009); Leicestershire (Main FC: 2009); Leicestershire (Main Twenty20: 2009); Middlesex (Main FC: 2010); Middlesex (Main ListA: 2010); Middlesex (Main Twenty20: 2010); All teams |
| Leicestershire cap: 2009 | |
| Lists of matches and more detailed statistics | |
| Test Career Batting and Fielding (2004/05-2009/10) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| New Zealand | 22 | 34 | 5 | 219 | 31 | 7.55 | 0 | 0 | 38.48 | 7 | |
| Test Career Bowling (2004/05-2009/10) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| New Zealand | 4394 | 158 | 2429 | 73 | 6-75 | 33.27 | 1 | 0 | 60.19 | 3.31 |
| ODI Career Batting and Fielding (2007/08-2008/09) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| New Zealand | 10 | 2 | 2 | 3 | 3* | 0 | 0 | 27.27 | 1 | ||
| ODI Career Bowling (2007/08-2008/09) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| New Zealand | 453 | 3 | 488 | 14 | 3-68 | 34.85 | 0 | 0 | 32.35 | 6.46 |
| International Twenty20 Career Batting and Fielding (2008/09-2009) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| New Zealand | 4 | 0 | 0 | ||||||||
| International Twenty20 Career Bowling (2008/09-2009) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| New Zealand | 78 | 0 | 116 | 6 | 2-30 | 19.33 | 0 | 0 | 13.00 | 8.92 |
| First-Class Career Batting and Fielding (2000/01-2010) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Overall | 91 | 113 | 26 | 756 | 44 | 8.68 | 0 | 0 | 39.72 | 17 | |
| First-Class Career Bowling (2000/01-2010) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 16845 | 684 | 8392 | 322 | 8-55 | 26.06 | 14 | 1 | 52.31 | 2.98 |
| List A Career Batting and Fielding (2003/04-2010) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Overall | 58 | 21 | 17 | 99 | 19* | 24.75 | 0 | 0 | 77.95 | 9 | |
| List A Career Bowling (2003/04-2010) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Overall | 2818 | 28 | 2332 | 75 | 5-35 | 31.09 | 2 | 2 | 37.57 | 4.96 |
| Twenty20 Career Batting and Fielding (2006/07-2010) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Overall | 18 | 5 | 4 | 6 | 3* | 6.00 | 0 | 0 | 60.00 | 3 | |
| Twenty20 Career Bowling (2006/07-2010) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Overall | 332 | 0 | 438 | 21 | 5-23 | 20.85 | 0 | 1 | 15.80 | 7.91 |
| Twenty20 Blast Career Batting and Fielding (2009-2010) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Overall | 5 | 3 | 3 | 5 | 3* | 0 | 0 | 62.50 | 3 | ||
| Twenty20 Blast Career Bowling (2009-2010) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Overall | 98 | 0 | 140 | 6 | 5-23 | 23.33 | 0 | 1 | 16.33 | 8.57 |
| Super Smash Career Batting and Fielding (2006/07-2008/09) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Wellington | 9 | 2 | 1 | 1 | 1* | 1.00 | 0 | 0 | 50.00 | 0 | |
| Super Smash Career Bowling (2006/07-2008/09) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Wellington | 156 | 0 | 182 | 9 | 3-21 | 20.22 | 0 | 0 | 17.33 | 7.00 |