In Miss Universe 2017 , Thailand was represented by Maria Ehren . Ehren was considered as strong contender as well as was one of the heavily favourite to win the crown . She finished within the Top 5 , marking Thailand 's highest placement in 29 years after Porntip Nakhirankanok winning the Miss Universe title in 1988 . In Miss Universe 2018 , Sophida Kanchanarin placed in the Top 10 , marking her Thailand 's first ever fourth consecutive placement at Miss Universe
Miss Universe 2018
Miss Universe 2018
Miss Universe Thailand