Penelope ("Penny") Heyns OIS is a South African former swimmer, who is best known for being the only woman in the history of the Olympic Games to have won both the 100 m and 200 m breaststroke events – at the 1996 Atlanta Olympic Games – making her South Africa's first post-apartheid Olympic gold medallist following South Africa's re-admission to the Games in 1992. Along with Australian champion Leisel Jones, Heyns is regarded as one of the greatest breaststroke swimmers.

The 1996 Summer Olympics were an international multi-sport event held from July 19 to August 4, 1996, in Atlanta, Georgia, United States. These were the fourth Summer Olympics to be hosted by the United States, and marked the 100th anniversary of the 1896 Summer Olympics in Athens, the inaugural edition of the modern Olympic Games. These were also the first Summer Olympics to be held in a different year than the Winter Olympics since the Winter Olympics commenced in 1924, as part of a new IOC practice implemented in 1994 to hold the Summer and Winter Games in alternating, even-numbered years. The 1996 Games were the first of the two consecutive Summer Olympics to be held in a predominantly English-speaking country, preceding the 2000 Summer Olympics in Sydney, Australia. These were also the last Summer Olympics to be held in North America until 2028, when Los Angeles will host the games for the third time.