Fran Marshall (born 12 May 1930) is a retired squash player from England. She won the British Open in 1961, defeating Ruth Turner in the final in straight sets 9–3, 9–5, 9–1. She was also the runner-up at the championship in 1960, 1962, 1963, 1964 and 1969.
Marshall was raised in Kenya, and represented Kenya in tennis at the 1960 Wimbledon Championships. After marrying her husband, who was in the British Army, she moved to England and has lived there permanently since 1957.