During the grand finale of Miss World Laos 2018 held on 15th September 2018, Santhany Saymanyvanh was crowned Miss Supranational Laos 2018 as she secured a position in the Top 5 during the finale. She was crowned by Miss Supranational Laos 2017 Mungk Kadada.
Santhany is a model and an actress, the CEO of SSS Agency and also works as a flight attendant for Lao Air. Prior to Miss Supranational Laos, Santhany had won the title of Miss Laos Tourism Ambassador 2015. Santhany has the experience as well as the beauty to be noticeable during the finale, and she will surely use them to her advantage.