Christophe Soumillon (born June 4, 1981 in Brussels, Belgium) is a Belgian-born Thoroughbred horse racing jockey.

Raised in a horse racing family, he is the son of a horse jumping jockey Jean-Marc Soumillon. Christophe Soumillon apprenticed at Chantilly Racecourse in Chantilly, France to Cédric Boutin, and won his first race in November, 1997. By the end of 1999 he had been named Champion Apprentice.

In April 2000, Soumillon won five races on the same day, tying the all-time French record. He has racked up a series of victories and in 2003 became the French champion jockey with 207 wins. On September 10, 2006 he won five races (including Prix Vermeille, Prix Niel and Prix Foy), tying the all-time French record for the second time.