Ilona Eduardovna Kremen (, ; born 18 January 1994) is a Belarusian former tennis player.
In her career, she won four singles and 29 doubles titles on the ITF Circuit. On 24 June 2013, she reached her best singles ranking of world No. 201. On 21 July 2014, she peaked at No. 157 in the WTA doubles rankings.
Kremen won the Belarus National Open Championships in 2011.
On 6 February 2013, she made her debut for the Belarus Fed Cup team, winning her first international rubber after her Georgian opponent Sofia Shapatava retired in the third set of their tie.
ITF Circuit finals
Singles: 7 (4 titles, 3 runner-ups)
Doubles: 53 (29 titles, 24 runner-ups)
Fed Cup participation
Singles (2–2)
Doubles (2–1)