thumb|right|225px|Thornton in 2013
Robert "Choc" Thornton (born 14 July 1978 in Darlington) is a retired English National Hunt jockey.
Career
Robert "Chocolate" Thornton (known as Choc) his performance was consistent, if unspectacular, featuring in the top 10 of the British Jumps Jockey Championship. Thornton's most successful season was the 2007/2008-season, during which he broke the 100-winner barrier for the first time, by winning 105 of his 597 races. After Nicholson retired in 1999, Thorton joined up with trainer Alan King. Thornton rode his 1,000th career winner on Araldur at Towcester on 28 March 2011.
Cheltenham Festival Winners
thumb|right|300px|Robert Thornton on Kandjar D'Allier during the 2007 [[WBX Rehearsal Chase on Fighting Fifth Hurdle day]]
{| class="wikitable"
|+Cheltenham Festival winners (15)
!Year!!Race!!Mount
|-
|rowspan=2|1997||Fulke Walwyn Kim Muir Challenge Cup||King Lucifer
|-
|Pertemps Final||Pharanear
|-
|2004||Festival Trophy Handicap Chase||Fork Lightning
|-
|rowspan=2|2005||Festival Trophy Handicap Chase||Kelami
|-
|Triumph Hurdle||Penzance
|-
|rowspan=2|2006||Arkle Challenge Trophy||Voy Por Ustedes