<div class="floatright" style="width: auto; margin-left: auto; margin-right: auto;">
</div> Miss Grand Yasothon () is a Thai provincial beauty pageant which selects a representative from Yasothon province to the Miss Grand Thailand national competition. It was founded in 2016 by an event organizer company Double B Management, chaired by Preemart Hemathulin ().
Yasothon representatives have yet to obtain any placement in the Miss Grand Thailand national competition.
In 2016, after Miss Grand Thailand began franchising the provincial competitions to individual organizers, who would name seventy-seven provincial titleholders to compete in the national pageant. The license for Yasothon province was granted to an event organizer led by Preemart Hemathulin, who was also the licensee for other 4 Isan contests, including , , Nakhon Phanom, and . The first Miss Grand Yasothon was co-organized with the four mentioned contests on May 24, 2016, in Mueang Maha Sarakham, where a business management student Patcharee Khunkaew () was named Miss Grand Yasothon.
In the early years, the pageant was always co-organized with other provincial pageants. It became a stand-alone pageant in 2023 under the directorship of Akarapol Waengwan ().
The pageant was skipped once; in 2021, due to the COVID-19 pandemic in Thailand, the national organizer was unable to organize the national event, and the country representative for the international tournament was appointed instead.
The following table details Miss Grand Yasothon's annual editions since 2016.
The following is a list of Yasothon representatives who competed at the Miss Grand Thailand pageant. <div style="white-space:nowrap">
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