The Thomas Cup, sometimes called the World Men's Team Championships, is an international badminton competition among teams representing member nations of the Badminton World Federation (BWF), the sport's global governing body. The championships have been conducted every two years since the 1982, amended from being conducted every three years since the first tournament held in 1948–1949.

The final phase of the tournament involves 12 teams competing at venues within the host nation and is played concurrently with the final phase of the world women's team championships, the Uber Cup (first held in 1956–1957). Since 1984, the two Cups have been held jointly at the various stages of play. Thomas Cup and, to a lesser extent, Uber Cup are some of the world's "biggest" and most prestigious regularly held badminton events in terms of player and fan interest.

Of the 30 Thomas Cup tournaments held since 1948–1949, only six countries have won the title. Indonesia is the most successful team, having won 14 times. China, which did not begin to compete before 1982, trails Indonesia with 10 titles, while Malaysia has won 5 titles.

Japan became the fourth country to win the Thomas Cup after beating Malaysia 3–2 in the 2014 final. Denmark became the first European and the fifth nation overall to win the Thomas Cup after beating Indonesia 3–2 in the 2016 final. This marked the first and only time a non-Asian team won the championship. India is the current champion, and the sixth nation, having won its first title after beating title holders Indonesia 3–0 in the 2022 edition.