Chonnikarn Supittayaporn, representing Chiang Mai, was crowned Miss Thailand 2023 at the coronation night of the national competition held on Sunday, 19th March 2023 at the Central Chaengwattana in Nonthaburi, Bangkok.

Chonnikarn Supittayaporn is 24 years of age and a model by profession. She is a pharmacy graduate of Chiang Mai University. Chonnikarn was a crowd favourite since the beginning of the competition because she had plans to compete at the 2021 edition but covid-19 postponed her plans.

Also at the finale, Sakhon Nakhon's Marisa Phonthirat was adjudged as the first runner-up while Phatthalung's Arabella Sitanan Gregory was adjudged as the second runner-up. Along with them, Kanokporn Payungwong of Phra Nakhon Si Ayutthaya and Supansa Wattananusit of Amnat Charoen were adjudged as the third and fourth runners-up, respectively.

A total of 47 stunning contestants from various Thai provinces were selected to take part in the 54th Miss Thailand edition. This year's competition was themed ‘The Ultimate Precious’ and was organized by TPN Global in cooperation with Tero Entertainment.

Chonnikarn Supittayaporn succeeds and was crowned by Miss Thailand 2022 Manita Farmer and will now prepare to represent Thailand at the 71st Miss World (Miss World 2023) which will be held in the United Arab Emirates (UAE).