Ilona Ostrowska (born 25 May 1974) is a Polish actress.

In 1998 she graduated from the State Theatre School in Wrocław.

Since 2002 is an actress Contemporary Theatre in Warsaw.

In 2004 she married actor and director Jacek Borcuch (divorce in 2012).

Popularity earned her the role of Lucy, a Polish-American in the series Ranczo by Wojciech Adamczyk.