Sian Brice (born 2 April 1969) is a triathlete from the United Kingdom.
She was born in Leigh, Greater Manchester.
She was one of the three British athletes, along with Michelle Dillon and Andrew Johns, not to finish the competition.
Before she went to the Olympics she already had a bronze medal under her belt from the European Triathlon Championships, she also came sixth in the World Championships behind 5 Aussies.
This biographical article related to a British athlete known for competing in triathlons is a stub.