Belgium competed at the 1900 Summer Olympics in Paris, France. It was the first appearance of the European nation. Belgium was represented in France by 78 athletes, all of them male, who competed in 11 disciplines. They comprised 95 entries in 28 events.

Medalists

Medals awarded to participants of mixed-NOC teams are represented in italics. These medals are not counted towards the individual NOC medal tally. In the discipline sections below, the medalists' names are bolded.

Multiple medalists

The following competitors won multiple medals at the 1900 Olympic Games.

Competitors

The following is the list of number of competitors in the Games.

Archery

Belgium took three of seven gold medals, three of eight silver medals, and one of five bronze medals in the seven archery events that were Olympic. France and the Netherlands were the only other nations that competed, with France taking the remaining thirteen medals. Many of the French, Dutch, and Belgian competitors are unknown as their names were not recorded. 4 of the 18 Belgian archers are known by name, 14 are not. The 18 archers had 36 entries over all 7 events.

Cycling

Belgium's first cycling appearance was at the second Olympic cycling competition, 1900. One cyclist from Belgium competed in one event, winning no medals. Only his surname is known.

Sprint

Equestrian

Belgium competed in the inaugural Olympic equestrian events, taking gold medals in 3 of 5 events. The names of 11 Belgian equestrians are unknown.

Jumping

High jump

Long jump

Hacks and hunter combined

Four-in-hand (mail coach)

Fencing

Belgium competed in fencing at the nation's debut. The nation sent five fencers.

Football

Université de Bruxelles represented Belgium in the football competition. The club squad lost its only match, to Club Française, to take third in the three-team competition. Key:

Gymnastics

Belgium's inaugural Olympic appearance included competing in the gymnastics portion of the program.

Rowing

Belgium, through the Royal Club Nautique de Gand, sent a coxed pair and an eight to the first Olympic rowing competition.

Shooting

Belgium's first Olympic appearance included competing in the shooting events. Belgian shooters competed in the military pistol and military rifle sets of events.

Swimming

A man with the surname Hermand was Belgium's first Olympic swimmer. He competed in the 4000 metre freestyle but did not finish his first round heat.

Water polo

Brussels Swimming and Water Polo Club represented Belgium in this event. Key: