The Kingdom of Thailand has submitted films for the Academy Award for Best International Feature Film since 1984, when it became the second independent nation in Southeast Asia to join the competition, after the Philippines. The award is given annually by the Academy of Motion Picture Arts and Sciences to a feature-length motion picture produced outside the United States that contains primarily non-English dialogue. Thai submissions are selected annually by the Federation of National Film Associations of Thailand.
As of 2025, Thailand has submitted thirty-two films, but none of them were nominated.
The Academy of Motion Picture Arts and Sciences has invited the film industries of various countries to submit their best film for the Academy Award for Best Foreign Language Film since 1956. The Foreign Language Film Award Committee oversees the process and reviews all the submitted films. Following this, they vote via secret ballot to determine the five nominees for the award.
All submissions were in Thai.
The selection committee of the Federation of National Film Associations of Thailand generally has chosen movies that highlight key moments in Thai history or important social issues.
Four submissions were directed by Chatrichalerm Yukol, a member of the Thai nobility, while other four were directed by Pen-Ek Ratanaruang.
In 2024, How to Make Millions Before Grandma Dies made into the 15-films shortlist, becoming the first Thai film to do so, but it was not nominated..
Since 2012, Thailand has announced a list of finalists or eligible films that varied in number over the years (from 2 to 10 films) before announcing their official Oscar nominee. The following films have been shortlisted by the Federation of National Film Associations of Thailand: