The 2025 Transylvania Open was a women's tennis tournament played on indoor hard courts.

It was the fifth edition of the Transylvania Open, and part of the WTA 250 series of the 2025 WTA Tour.

It was held at the BT Arena in Cluj-Napoca, Romania, from 3 until 9 February 2025.

[1][2] The following players received wildcards into the main draw:[3] The following players 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: