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.
Thailand competed at the 2000 Summer Olympics in Sydney, Australia.
The Men's 4 × 100 metres relay event at the 1999 World Championships in Athletics was held at the Estadio Olímpico de Sevilla on August 28 and August 29.
Apinan Sukaphai is a track and field sprint athlete who competes internationally for Thailand.
Siriroj Darasuriyong is a track and field sprint athlete who competes internationally for Thailand.
Sompote Suwannarangsri is a retired sprint athlete who competed internationally for Thailand.
Vissanu Sophanich is a track and field sprint athlete who competed internationally for Thailand. He was on the Thai team in the Men's 4 x 100 metre relay at the 2000 Summer Olympics.
Sitthichai Sitsongpeenong is a Thai Muay Thai kickboxer who is currently signed to ONE Championship. Sitthichai is a former Lumpinee Stadium Welterweight Champion and Glory Lightweight Champion. Combat Press ranks him as the #3 lightweight kickboxer in the world. As of October 27, 2022, he is ranked #3 in the ONE Featherweight Kickboxing rankings, and as of March 6, 2023, he is ranked #2 in the ONE Featherweight Muay Thai rankings.
Wachara Sondee is a Thai track and field athlete who competes in sprinting events. He primarily competes in the 100 metres and 60 metres and is the Thai national record holder for the shorter distance with his best of 6.65 seconds.
Mpi is a Loloish language of Thailand. The number of speakers is in decline. It is spoken in the following two villages in northern Thailand.
Sittichai Sangkhachot is a Thai beach volleyball player. He competed at the 2012 Asian Beach Games in Haiyang, China
The International Federation of Muaythai Associations, or IFMA, called the International Federation of Muaythai Amateur until 27 July 2019, is a sport governing body of amateur and professional Muay Thai and Muay boran consisting of 140 member countries worldwide with 5 continental federations after unification of International Federation of Muaythai Amateur and World Muaythai Council. IFMA is officially recognised by the International Olympic Committee (IOC), the Global Association of International Sports Federations (GAISF), the Association of IOC Recognised International Sports Federations (ARISF), the Olympic Council of Asia (OCA), World Anti-Doping Agency (WADA) International World Games Association (IWGA), and Trim and Fitness International Sport for All Association (TAFISA). Muaythai has been included in many official sport programs such as the World Games, World Combat Games, Arafura Games, TAFISA Games, SEA Games, Asian Indoor and Martial Arts Games, Asian Beach Games, Demonstration Sport in the Asian Games.
Thailand competed at the 2014 Winter Olympics in Sochi, Russia from 7 to 23 February 2014. The Thai team consisted of two athletes, Vanessa Vanakorn and Kanes Sucharitakul, both competing in alpine skiing. This was Thailand's third appearance at a Winter Olympic Games, and their first since 2006, having missed the 2010 Winter Olympics in Vancouver, British Columbia, Canada.
Panipak "Tennis" Wongpattanakit is a retired Thai taekwondo athlete. A two-time Olympic champion, she is currently the top-ranked athlete in the women's 49 kg.
Thailand competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018. Since the nation's official debut in 2002, Thai athletes had appeared in every edition of the Winter Olympic Games, with the exception of the 2010 Winter Olympics in Vancouver.
Thailand participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia as a competing nation, from 18 August to 2 September 2018. This is the nation's eighteenth appearance at the Asian Games, since the inaugural games in New Delhi.
Thailand competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's official debut in 1952, Thai athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its support of the US-led boycott.
Tawanchai P.K. Saenchai is a professional Muay Thai fighter from Thailand. In December 2021, he was ranked the number two pound-for-pound Muay Thai fighter in the world by the The Nation. A former Lumpinee Stadium fighter of the year, he competes in the Featherweight division of ONE Championship, where he is the current ONE Muay Thai Featherweight World Champion since September 29, 2022. As of April 22, 2024, he also is the champion in the ONE Championship Featherweight Kickboxing.
Sittichai Musbu-ngor is a professional footballer from Thailand. He is currently playing for Navy in Thai League 2 as an attacking midfielder.
Thailand competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September–6 October 2019. Thailand had entered 1 athlete.
Thailand 
