The 2023 Transylvania Open was a women's tennis tournament played on indoor hard courts.

It was the third edition of the Transylvania Open, and part of the WTA 250 series of the 2023 WTA Tour.

It was held at the BT Arena in Cluj-Napoca, Romania, from 16 until 22 October 2023.

[1] The following players received wildcards into the main draw: The following player received entry using a protected ranking: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: The following pairs received wildcards into the doubles main draw: The following pair received entry as alternates: