Cristina Dinu (born 18 January 1993) is a professional Romanian tennis player. Dinu has won 23 singles and 27 doubles titles on the ITF Women's Circuit. On 30 September 2013, she reached her best singles ranking of world No. 179. On 20 May 2019, she peaked at No. 153 in the WTA doubles rankings. In July 2015, Dinu attended Bucharest Open, and she won three consecutive qualifying rounds (def. top-seeded Yaroslava Shvedova in the last round), eventually losing on the main draw to Denisa Allertova, in a thrilling match.