The 2025 ITF Nonthaburi was a professional tennis tournament played on outdoor hard courts.

It was the fifth edition of the tournament, which was part of the 2025 ITF Women's World Tennis Tour.

It took place in Nonthaburi, Thailand, between 30 December 2024 and 5 January 2025.

[1] The following players received wildcards into the singles main draw: The following player received entry into the singles main draw using a special ranking: The following players received entry from the qualifying draw: