| Full Name: | Niall John O'Brien |
| Born: | 8 November 1981 in Dublin, Ireland |
| Batting: | Left-hand batsman |
| Other: | Wicket-keeper |
| ODI Debut: | Scotland v Ireland at Cambusdoon New Ground, Ayr - 5 August 2006 |
| Last ODI: | Ireland v England at The Village, Malahide, Dublin - 8th May 2015 |
| Twenty20 Debut: | Ireland v Scotland at Civil Service Cricket Club, Stormont, Belfast - 2 August 2008 |
| Last Twenty20: | Canada v Ireland at Sheikh Zayed Stadium, Abu Dhabi - 16th November 2013 |
ODI Batting
| Mat | Inns | NO | Runs | Avg | HS | BF | SR | 50s | 100s | 0s | G 0s | 4s | 6s | ct | st |
| 71 | 70 | 8 | 1858 | 29.96 | 80* | 2640 | 70.37 | 14 | 0 | 1 | 2 | 165 | 13 | 43 | 7 |
ODI Bowling
| Balls | Runs | Wkts | BB | Avg | Econ | SR | 4 W | 5 W |
| 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0 | 0 |
ODI Other Analysis
| Recent scores: | 10, 12, 75, 2, 14, 17, 79*, 33, 80*, 22 |
| Modes of dismissal: | bowled (13), lbw (7), run out (5), stumped (3), caught behind (9), caught (25) |
| Dismissed most by: | Shakib Al Hasan 3, Elton Chigumbura 2, Majid Haq 2, Abdur Razzak 2, Tim Bresnan 2, Edward Rainsford 2, Jade Dernbach 1, Michael Vaughan 1, Shaun Tait 1, Ian Bradshaw 1 |
| More player stats: | Batting Analysis |
Twenty20 BATTING
| Mat | Inns | NO | Runs | Avg | HS | BF | SR | 50s | 100s | 0s | G 0s | 4s | 6s | ct | st |
| 21 | 20 | 1 | 362 | 19.05 | 50 | 367 | 98.63 | 1 | 0 | 0 | 0 | 34 | 6 | 12 | 8 |
Twenty20 Bowling
| Balls | Runs | Wkts | BB | Avg | Econ | SR | 4 W | 5 W |
| 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0 | 0 |
Twenty20 Other Analysis
| Recent scores: | 27, 25, 20, 22, 8, 9*, 6, 28, 11, 17 |
| Modes of dismissal: | stumped (3), bowled (2), caught & bowled (1), lbw (1), run out (1), caught behind (3), caught (8) |
| Dismissed most by: | Elias Sunny 1, Shane Watson 1, Jimmy Hansra 1, Chris Gayle 1, John Blain 1, Stefan Kelly 1, James Kamande 1, Shakib Al Hasan 1, Kyle Mills 1, Dawlat Ahmadzai 1 |
| More player stats: | Batting Analysis |