WTA Slovenia Open

The Slovenia Open is a women's tennis tournament held in Portorož, Slovenia, originally from 2005 until 2010, and returning to the tour in 2021. The WTA Tour event was a WTA International category, and now its current variant, the WTA 250 category. It is played on outdoor hardcourts.

Katarina Srebotnik finished runner-up in the singles finals of 2005 and 2007, and in the doubles final in 2005.