Ioana Ducu (born 18 April 1996) 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 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.[2]