Jolanda de Rover (born 10 October 1963) is a female former backstroke swimmer from the Netherlands.
Jolanda de Rover competed at the 1980, 1984 and 1988 Summer Olympics and won a gold and a bronze medal in backstroke in 1984. In 1988, she finished fifth and seventh in the 4 × 100 m medley relay and 200 m backstroke events, respectively. Between 1981 and 1986 she won four medals at European and world championships; she also won at least three national titles and set at least 10 national records in backstroke events. Despite being of Dutch nationality she won the ASA National British Championships 200 metres backstroke title twice in 1981 and 1988.
De Rover was born in Amstelveen. She is the mother of Kira Toussaint, who qualified for the 2016 Summer Olympics in Rio de Janeiro in the 100 meter backstroke.