Ruth Isabel Winch (née Legh, 25 August 1870 – 9 January 1952) was a British tennis player who won a bronze medal at the 1908 Summer Olympics in London.Winch had a walkover in both round one and the quarter finals of the 1908 women's singles competition, in the semi-final she lost to Dorothea Chambers 6-1, 6-1.Between 1899 and 1922 Winch participated in nine editions of the Wimbledon Championships.