The Hua Hin Championships (also known as the WTA Thailand Open) was a women's tennis tournament on the WTA Tour played on outdoor hardcourts in Hua Hin, Thailand.

Initially, the event was classified as a WTA International tournament, but has been a WTA 250 tournament as of the 2023 edition; the first to be played since the rebranding of WTA tournament categories in 2020.

[1] The tournament did not take place in 2021 and 2022 due to COVID-19 pandemic.

It was replaced by the WTA Singapore Open in 2025.

[2] A low-level men's and women's Challenger Tour event was previously held in the same location in 2015 and 2017 in November.