Susan Rolph (born 15 May 1978) is a female former freestyle and medleyswimmer from Great Britain. The 100 metre freestyle European champion in 1999, and Commonwealth Games champion in 50 and 100 metre freestyle in 1998, Rolph was particular adept at short course racing, accumulating 22 senior medals in the discipline, including a world championship gold medal in the 4 x 100 freestyle relay in 1999, and a hat-trick of European short course individual titles between 1996 and 1998.
Rolph was one of the dominating forces in the 1990s of British women's swimming. Her Commonwealth Games medal haul consists of three gold, one silver and two bronze medals. She represented England in four events, winning a gold medal in the 4 x 100 metres freestyle relay, at the 1994 Commonwealth Games in Victoria, Canada. Four years later she represented England in five events and gained a medal in all five including two gold medals, at the 1998 Commonwealth Games in Kuala Lumpur, Malaysia.