Thailand competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's thirteenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of its partial support to the United States boycott.
Aghasi Mammadov is an Azerbaijani boxer who competed in the bantamweight division (54 kg) at the 2004 Summer Olympics and won the bronze medal.
Worapoj Petchkoom is a Thai boxer who competed in the bantamweight (54 kg) at the 2004 Summer Olympics and won the silver medal losing to Cuban superstar Guillermo Rigondeaux. He qualified for the Athens Games by ending up in first place in the 2nd AIBA Asian 2004 Olympic Qualifying Tournament in Karachi, Pakistan. In the final he defeated India's Diwakar Prasad.
Thailand competed at the 1988 Summer Olympics in Seoul, South Korea. For the first time, a beauty queen accompanied the Thai athletes to march the Olympic Stadium in the person of Pornthip Nakhirunkanok, Miss Universe 1988, during the opening ceremonies.
Thailand competed at the 1960 Summer Olympics in Rome, Italy. Twenty competitors, all men, took part in sixteen events in four sports.
Thailand competed at the 1956 Summer Olympics in Melbourne, Australia.
Thailand competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fifteenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of its partial support to the United States boycott.
Wiradech Kothny is a Thai former fencer. He won bronze medals in the individual and team sabre events at the 2000 Summer Olympics, competing for Germany. He then competed for Thailand at the 2004 and 2008 Summer Olympics.
Natthanan Junkrajang is a Thai swimmer. At the 2008 Summer Olympics, she competed in the women's 100 and 200 m freestyle events. She competed at the 2012 Summer Olympics in the Women's 200 and 400 metre freestyle events, finishing 30th in the 200 m heats and 29th in the 400 m heats, failing to qualify for the final.
Siripuch Gulnoi formerly Rattikan Gulnoi is a Thai weightlifter. She competed at the 2012 Summer Olympics in the women's 58 kg. She set personal bests in both the clean and jerk and the snatch, achieving 100 kg and 134 kg respectively. She originally finished fourth, but was promoted to third and won the bronze medal after Yuliya Kalina was disqualified.
Chatuphum Chinnawong is a Thai weightlifter competing in the 77 kg category. He finished fourth at the 2012 Summer Olympics and 2016 Summer Olympics.This stands to be upgraded to third, pending the IOC medal reallocation process, as a result of the gold medalist being disqualified for doping offences.
Chatchai-decha Butdee, formerly Chatchai Butdee, is a Thai boxer who won a bronze medal at the 2013 World Championships. At the 2012 Summer Olympics, he competed in the flyweight, but was defeated in the second bout. At the 2016 Summer Olympics, Butdee was again eliminated in the second bout, despite controlling the fight.
Sutiya "Nee" Jiewchaloemmit (Thai: สุธิยา จิวเฉลิมมิตร; born: May 3, 1986 in Tambon Khao Chakan, Prachinburi Province is a Thai sport shooter. She competed at the 2008 Summer Olympics in Beijing, where she placed fifth in skeet. She also competed at the 2012 Summer Olympics in London, 2016 Summer Olympics in Rio, and 2020 Summer Olympics in Tokyo. She graduated with a Bachelor's Degree in Accounting and Commerce from Thammasat University
Seven male athletes from Thailand competed at the 1996 Summer Paralympics in Atlanta, United States. Two men won bronze medals for their country.
Thanyalak Chotphibunsin is a Thai sport shooter. Chotphibunsin represented Thailand at the 2008 Summer Olympics in Beijing, where she competed in two rifle shooting events, along with her teammate Sasithorn Hongprasert. She placed fortieth out of forty-seven shooters in the women's 10 m air rifle, with a total score of 388 points. Nearly a week later, Chotphibunsin competed for her second event, 50 m rifle 3 positions, where she was able to shoot 200 targets in a prone position, 178 in standing, and 191 in kneeling, for a total score of 569 points, finishing only in thirty-fifth place.
Thailand competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1952, Thai athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its partial support of the US-led boycott.
Thailand competed at the 2000 Summer Paralympics in Sydney, Australia. 41 competitors from Thailand won 11 medals, including 5 gold, 4 silver and 2 bronze to finish 30th in the medal table.
Thailand competed at the 1992 Summer Paralympics in Barcelona, Spain. 5 competitors from Thailand won a single bronze medal and finished joint 50th in the medal table along with 5 other countries.
Thailand competed at the 1988 Summer Paralympics in Seoul, South Korea. Ten competitors from Thailand won a single bronze medal and finished joint 45th in the medal table along with Czechoslovakia.
Peamwilai Laopeam is a Thai female boxer.
