Daphne Ruth "Billie" Tapscott (31 May 1903 – 1970) was a South African female tennis player. She was born in Kimberley, Cape Colony. In 1930 she married South African tennis player Collin John James Robbins. Her best singles performance at a Grand Slam event was reaching the quarterfinals of the 1927 French Championships in which she lost to eventual winner Kea Bouman in straight sets and the 1929 Wimbledon Championships losing at the same stage to Elsie Goldsack. Her brothers Lionel and George were both cricketers who played in Test matches for South Africa.