Miss Universe Thailand 2019 will be the 20th edition of Miss Universe Thailand pageant. It will be held on June 29, 2019.[1] Sophida Kanchanarin ofBangkok will crown her successor by the end of the event. The winner will represent Thailand at Miss Universe 2019

This is the first edition of Miss Universe Thailand not being under the chairmanship of Surang Prampree, who was president for 19 years. After her resignation, the organization is now chaired by TPN 2018 Co., Ltd. by Somchai Cheewasutthanon, Piyaporn Sankosik and Narong Lertkitsiri