Jill Slattery

Gillian "Jill" Slattery (born 25 May 1945) is a retired British swimmer who won a bronze medal in the 200 m breaststroke at the 1966 European Aquatics Championships. She competed in the same event at the 1964 and 1968 Summer Olympics and finished fifth in 1964.

At the 1966 British Empire and Commonwealth Games she won a gold and a silver medal in the 220 yd and 110 yd breaststroke, respectively.