Tom O'Brien (born 1986) is a retired British-based Irish jockey who competed in National Hunt racing.
[2] In the 2005/06 season, O'Brien was crowned champion amateur rider with 32 winners, including Captain Corelli in the Tommy Whittle Chase at Haydock Park.
[4] In 2007 O'Brien rode McKelvey, trained by Peter Bowen, into second place behind Silver Birch in the Grand National.
[6] O'Brien achieved his first Cheltenham Festival win in 2009 when he rode Silk Affair to victory in the Fred Winter Juvenile Novices' Handicap Hurdle.
[4] O'Brien announced his retirement on 29 April 2023 before his final ride, in which his mount Thyme Hill finished fourth in the Select Hurdle at Sandown.