Sarah Wilhelmy (born 2 February 1980) is a British former sprinter.

She won a bronze medal in the 200 metres at the 1998 IAAF World Junior Championships and represented Great Britain in the 4 x 100 metres relay at the 2000 Sydney Olympics.

[1] Born in Stepney, Greater London, Wilhelmy attended Southend High School for Girls, which is a grammar school with academy status, situated on Southchurch Boulevard in the east of Southend-on-Sea England.

In 2000, she won the AAAs Championship 200m title, but failed to gain Olympic selection in that event as she didn't have the qualifying standard.

At the Olympic Games in Sydney, she ran in the first round heats before being replaced by Sam Davies for the semifinals.