Karen Anne Phillips (born 4 May 1966), known after marriage as Karen Anne Higgison, was an Australian butterfly and individual medley swimmer of the 1980s who won the silver medal in the 200-metre butterfly at the 1984 Summer Olympics in Los Angeles.
Raised in Nowra, New South Wales, Phillips was selected to represent Australia in the 200-metre butterfly and 400-metre individual medley. She barely made the final in the 200-metre butterfly and narrowly missed the final in the 400-metre individual medley. At the Olympics, she swam a personal best of 2 minutes 10.56 seconds to claim silver, finishing behind Mary T. Meagher. In 1986, she won the silver medal in the 200-metre butterfly at the Commonwealth Games in Edinburgh. She was the inaugural Australian Institute of Sport Athlete of the Year in 1983–84.
Australia