Jill Norfolk
Jill R Norfolk (born 15 February 1947) is a British former swimmer. She competed in two events at the 1964 Summer Olympics. She also represented England in 110 yards and 220 yards backstroke, at the 1962 British Empire and Commonwealth Games in Perth, Western Australia. During a Blackpool swim meet against Russia in April 1964 she broke the women's world record for the 110 yards backstroke in a time of 69.8 seconds.