Ioana Ducu
Ioana Ducu is a former Romanian tennis player.
In her career, she won one doubles title on the ITF Women's Circuit. On 9 September 2013, she reached her best singles ranking of world No. 830. On 3 November 2014, she peaked at No. 736 in the WTA doubles rankings.
In June 2014, together with fellow Romanian Ioana Loredana Roșca, Ducu won the girls' doubles tournament at the French Open, defeating CiCi Bellis and Markéta Vondroušová in the final in three sets.
In 2017, it was announced that she ended her tennis career for pursuit of a career in medicine. She played her last match on the ITF circuit in September 2014 in Sharm El Sheikh, Egypt.
ITF finals (1–4)
Singles (0–1)
| Outcome | No. | Date | Tournament | Surface | Opponent | Score |
| Runner-up | 1. | 18 February 2013 | Antalya, Turkey | Clay |  Jovana Jakšić | 2–6, 5–7 |
Doubles (1–3)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1. | 18 February 2013 | Antalya, Turkey | Clay |  Cristina Ene |  Ágnes Bukta  Vivien Juhászová | 1–6, 6–2, |
| Runner-up | 2. | 12 September 2014 | Bucharest, Romania | Clay |  Julia Helbet | Raluca Ciufrila Andreea Ghițescu | 7–6, 1–6, |
| Winner | 1. | 22 September 2014 | Sharm El Sheikh, Egypt | Hard |  Eden Silva |  Yui Saikai Natsumi Yokota | 6–2, 6–4 |
| Runner-up | 3. | 29 September 2014 | Sharm El Sheikh, Egypt | Hard | Eden Silva | Harriet Dart  Melis Sezer | 5–7, 1–6 |