Eleni Kontostavlou - Nikolopoulou

Hélène Alexander Contostavlos-Nicolopoulo (6 August 1903 – 3 February 1963) was a French-born Greek tennis player. She was a semifinalist at the 1925 French Championships, where she lost to the eventual champion, Suzanne Lenglen. She also made the quarterfinals at Wimbledon twice in 1926 and 1928. Contostavlos played in one major final in doubles at the 1923 World Hard Court Championships, finishing runner-up to Lenglen and Julie Vlasto while partnering with Daisy Speranza.