
Basketball Club Etzella, better known simply as Etzella, is a Luxembourgish professional basketball club based in Ettelbruck. The club competes in the Total League. The team has won the national championship 15 times.

DKR Engineering is a racing team and preparation firm from Luxembourg, which competed in the FIA GT1 World Championship. The company was founded in 2004 by Kendy Janclaes as a branch of the PSI Experience racing team from Belgium. After running PSI's racing programs, DKR began their own programs in 2008, running in the FFSA GT Championship with Corvettes. DKR expanded into the FIA GT Championship in 2009 where PSI had previously competed, running their own program under the Sangari Team Brazil banner and netting a single victory and sixth in the Teams' Championship. DKR's FFSA GT squad won five races in 2009 and secured the Drivers' Championship for Eric Debard.

FCM Young Boys Diekirch is a football club, based in Diekirch, in north-eastern Luxembourg.

The Festival Luxembourgeois du cyclisme féminin Elsy Jacobs formerly known as the Grand Prix Elsy Jacobs is an international women's road bicycle race held in Garnich, Luxembourg. Since 2008 this event is on the UCI women's elite cycle racing calendar. Between 2009 and 2011 it was rated as an UCI 1.1 category race and since 2012 the race is a 2.1 category stage race.

Stade Josy Barthel is the national stadium of Luxembourg, home to the Luxembourg national football team and also used for rugby union and athletics. It is located on route d'Arlon, in the Luxembourg City quarter of Belair.

The Kockelscheuer Sport Centre is a tennis complex in Kockelscheuer, Luxembourg.

One athlete from Luxembourg competed at the 1900 Summer Olympics in Paris, marking the first Olympic appearance by the nation.

Luxembourg competed at the 1912 Summer Olympics in Stockholm, Sweden. It was the first official appearance at the modern Olympic Games for the nation, although it was later discovered that one Luxembourgish athlete competed in 1900.

Luxembourg competed at the 1920 Summer Olympics in Antwerp, Belgium.

Luxembourg competed at the 1928 Summer Olympics in Amsterdam, Netherlands. 48 competitors, 46 men and 2 women, took part in 31 events in 10 sports.

Athletes from Luxembourg competed at the Winter Olympic Games for the first time in 1928 in St. Moritz, Switzerland.

Luxembourg competed at the 1936 Summer Olympics in Berlin, Germany. The nation returned to the Summer Games after having missed the 1932 Summer Olympics. 49 competitors, 48 men and 1 woman, took part in 35 events in 10 sports.

Luxembourg competed at the 1936 Winter Olympics in Garmisch-Partenkirchen, Germany. The nation returned to the Winter Games after missing the 1932 Winter Olympics.

Luxembourg competed at the 1948 Summer Olympics in London, England. 45 competitors, 42 men and 3 women, took part in 32 events in 8 sports.

Luxembourg competed at the 1952 Summer Olympics in Helsinki, Finland. 44 competitors, all men, took part in 32 events in 9 sports.

Luxembourg competed at the 1956 Summer Olympics in Melbourne, Australia. 11 competitors, 10 men and 1 woman, took part in 22 events in 5 sports.

Luxembourg competed at the 1960 Summer Olympics in Rome, Italy. 52 competitors, 47 men and 5 women, took part in 48 events in 10 sports.

Luxembourg competed at the 1964 Summer Olympics in Tokyo, Japan. 12 competitors, 10 men and 2 women, took part in 18 events in 7 sports.

Luxembourg competed at the 1972 Summer Olympics in Munich, West Germany. 11 competitors, 10 men and 1 woman, took part in 8 events in 5 sports.

Luxembourg competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. Eight competitors, all men, took part in seven events in four sports.

Luxembourg competed at the 1980 Summer Olympics in Moscow, USSR. In partial support of the American-led boycott of the 1980 Summer Olympics, Luxembourg competed under the Olympic Flag instead of its national flag.

Luxembourg competed at the 1984 Summer Olympics in Los Angeles, United States.

Luxembourg competed at the 1984 Summer Paralympics in Stoke Mandeville, Great Britain and New York City, United States. 5 competitors from Luxembourg won 6 medals including 1 gold, 4 silver and 1 bronze and finished 30th in the medal table.

Luxembourg competed at the 1988 Summer Olympics in Seoul, South Korea.

Luxembourg competed at the 1992 Summer Olympics in Barcelona, Spain.

Luxembourg competed at the 1992 Summer Paralympics in Barcelona, Spain. 2 competitors from Luxembourg won no medals and so did not place in the medal table.

Luxembourg competed at the 1996 Summer Olympics in Atlanta, United States. Six competitors, two men and four women, took part in seven events in five sports.

One male athlete from Luxembourg competed at the 1996 Summer Paralympics in Atlanta, United States.

Luxembourg competed at the 2000 Summer Olympics in Sydney, Australia.

Luxembourg competed at the 2014 European Athletics Championships in Zürich, Switzerland, between 12 and 17 August 2014. A delegation of four athletes were sent to represent the country.

Luxembourg participated at the 2017 Summer Universiade which was held in Taipei, Taiwan.

The Luxembourg Cycling Federation, abbreviated to FSCL, is the national governing body of cycle racing in Luxembourg.

The Luxembourg Football Federation is the governing body of football in Luxembourg. It organises the Luxembourg Football League and the Luxembourg national football team. It is based in Mondercange, to the south of Luxembourg City.

The Luxembourg national handball team is the national team of Luxembourg. It takes part in international handball competitions.

The Luxembourg men's national under-20 basketball team is a national basketball team of Luxembourg, administered by the Luxembourg Basketball Federation. It represents the country in men's international under-20 basketball competitions.

The Luxembourg Olympic and Sporting Committee, abbreviated to COSL, is the National Olympic Committee for Luxembourg.

Luxembourg Rugby Federation is the governing body for rugby union in Luxembourg. It was founded in 1974 and became affiliated to the International Rugby Board in 1991. Luxembourg Rugby team plays its matches at the Stade Josy Barthel in Luxembourg-City. Luxembourg are ranked 59th in the world according to the International Rugby Board.

The Luxembourg women's national under-18 basketball team is a national basketball team of Luxembourg, administered by the Luxembourg Basketball Federation. It represents the country in women's international under-18 basketball competitions.

The Luxembourg women's national under-20 basketball team is a national basketball team of Luxembourg, administered by the Luxembourg Basketball Federation. It represents the country in women's international under-20 basketball competitions. In 2000 and 2004, the team participated at the FIBA Europe Under-20 Championship for Women qualifications.

Op Flohr Stadion is a multi-use stadium in Grevenmacher, Luxembourg.

Stade Achille Hammerel is a football stadium in Verlorenkost, a quarter of Luxembourg City, in southern Luxembourg. It is currently the home stadium of Racing FC Union Luxembourg. Until 2005, it was the home of Union Luxembourg. The stadium has a capacity of 5,814.

Stade Municipal is a stadium in Oberkorn, Luxembourg. It has a capacity of 10,000 spectators. It is the home of CS Oberkorn.

Stade Rue de Lenningen is a football stadium in Canach, in south-eastern Luxembourg.