The 2023 WTA Zavarovalnica Sava Ljubljana was a professional women's tennis tournament played on outdoor clay courts.

It was the first edition of the tournament and part of the 2023 WTA 125 tournaments, offering a total of $115,000 in prize money.

It took place at the Tivoli Tennis Center in Ljubljana, Slovenia between 11 and 17 September 2023.

[1][citation needed] However, the centre court action was organized at the Mima Jaušovec Court, placed in the middle of the Republic Square.

The following players received a wildcard into the singles main draw: The following players received entry into the main draw through qualification: The following players received entry as lucky losers: The following pair received a wildcard into the doubles main draw: The following pair received entry as alternates: