Aurelia Ditton (born 1980 in London), known as Lia Ditton, is a professional sailor, ocean rower, motivational speaker and conceptual artist, now based in San Francisco, California. Ditton is a successful solo long-distance yachtswoman. In her first solo crossing of the Atlantic, aged 25, Ditton was the youngest competitor and only woman to finish the Single-Handed Trans-Atlantic Race in 2005. Ditton crossed the finish line 4th in the multihull class after 27 days 9 hours 19 minutes at sea.