Miss Universe Thailand is a national beauty pageant held in Thailand to select representatives for Miss Universe beauty pageant. The pageant has been held since 2000, and was initially called Miss Thailand Universe. In 2012, the name was changed to Miss Universe Thailand and is not related to the previous franchises of Miss Thailand or Miss Thailand World.

In the year 2000, Bangkok Broadcasting & T.V. Co., Ltd. (Channel 7) was given the rights to host the pageant, after the Miss Thailand Organization lost its license from the Miss Universe Organization. Kulthida Yenprasert was crowned the first Miss Thailand Universe in March 2000. Between 2012-2013, the name of the pageant was changed to Miss Universe Thailand and the broadcast rights were given to Royal Thai Army Radio and Television Channel 5. In 2014, the pageant moved to broadcast on Channel 3, and in 2015 the pageant moved back to broadcast on Channel7.

2017

Miss Universe Thailand 2017 is Maria Ehren, who was crowned on 29th July 2017. 

2016

Miss Universe Thailand 2016 was Chalita Suansane, who was crowned on July 21, 2016 in Bangkok by Aniporn Chalermburanawong, Miss Universe Thailand 2015. She represented Thailand at the Miss Universe 2016 pageant in Manila placing Top 6 finalist. Thailand is a part of global major pageants.