Jenna Louise Dreyer (born 7 February 1986 in Port Elizabeth) is a female South African diver, who specialized in springboard and platform events.

At age seventeen, Dreyer participated in the 2004 Summer Olympics in Athens, representing South Africa.

She reached the semi-finals of the |women's springboard event, where she was able to perform an astonishing dive with a total score of 464.43, finishing only in seventeenth place.

At the 2006 Commonwealth Games in Melbourne, Dreyer narrowly lost the bronze medal to Australia's Kathryn Blackshaw, after finishing fourth in the women's springboard final.

[6] Dreyer qualified for the second time in the women's springboard at the 2008 Summer Olympics in Beijing, by receiving a ticket from the FINA World Diving Cup.