Weichong C. Marwing (born 14 March 1970 in South Africa) is a Thoroughbred horse racing jockey. Based in South Africa, he has won a number of important international Group One races. He is well remembered for riding Irridescence to victory over the great Ouija Board in the 2006 Queen Elizabeth II Cup at Sha Tin Racecourse in Hong Kong. In 2007, for trainer Mike De Kock he won his second United Arab Emirates Derby at Nad Al Sheba Racecourse aboard Asiatic Boy, a horse he says is the best he has ever ridden.
| Weichong Marwing | |
|---|---|
 | |
| Occupation | Jockey |
| Born | 14 March 1970 South Africa |
| Career wins | ongoing |
| Major racing wins | |
| Champions Mile (2002) Hong Kong Derby (2002) Hong Kong Mile (2002) Hong Kong Gold Cup (2003) Dubai Duty Free Stakes (2004) UAE Derby (2004, 2007) Godolphin Mile (2005) Queen Elizabeth II Cup (2006) | |
| Significant horses | |
| Yard-Arm, Olympic Express, Asiatic Boy | |
His brother, Weiho Marwing, is also involved in Thoroughbred racing and is a trainer in South Africa.