Yes. Thailand introduced an inheritance tax by the Inheritance Tax Act B.E. 2558 (2015), which came into force on 1 February 2016.
The tax applies only when the total estate (in Thailand) exceeds 100 million baht — smaller estates are exempt
If you want a complete explainer of how Thailand’s law works, see our full guide. → A Comprehensive Expat’s Guide to Thailand Inheritance Tax


