32 athletes, 24 men and 8 women, represented Belgium in 1928. It was the nation's 5th appearance in the sport. It was the first time women's events were held in the sport.
Six men represented Belgium in boxing in 1928. It was the nation's third appearance in the sport. Both men reached the round of 16 (Sartos by winning his first bout, Anneet with a bye), but were defeated there.
Eight cyclists, all men, represented Belgium in 1928. It was the nation's 6th appearance in the sport, in which Belgium had competed every time that Belgium had sent an Olympic team. For the first time since 1912, Belgium won no cycling medals.
Nine riders, all men, represented Belgium in the equestrian events in 1928. It was Belgium's 5th appearance in the sport; Belgium was one of 3 nations (along with France and the United States) to compete in every Olympic equestrian competition to date. For the second time in a row, Belgium won no medals.
21 fencers, 18 men and 3 women, represented Belgium in 1928. It was the nation's 6th appearance in the sport. Women fencers represented Belgium for the first time; Belgium had not had any entrants in the inaugural women's fencing competition in 1924. Belgium had three 4th-place finishes and four other final pool competitors, but won no medals. It was the first time since 1900 (Belgium's first appearance) that the nation failed to medal in the sport.
Belgium competed in men's football for the fourth time in 1928. The team beat Luxembourg in the round of 16 but was defeated by eventual silver medalists Argentina in the quarterfinals.
Belgium competed in men's field hockey for the second time. The team, which had won bronze in the previous tournament in 1920, reached the bronze medal match in 1928. There, they lost to Germany and finished in 4th place.
21 men represented Belgium in rowing in 1928. It was the nation's 6th appearance in the sport, matching Canada and Great Britain for the most. Belgium entered boats in 6 of the 7 events. None of the boats reached the final in its event, but the coxed pair boat won a bronze medal by being one of the three boats to reach the semifinals. It was Belgium's first medal in the sport since 1912.
Five men represented Belgium in swimming in 1928. It was the nation's 6th appearance in the sport, in which Belgium competed each time Belgium had appeared at the Summer Olympics. None of the Belgian swimmers reached the finals of their events.
Belgium competed in men's water polo for the 6th time. For the first time, Belgium failed to win a medal; the team fell to eventual gold medalist Germany in the quarterfinals.
13 men represented Belgium in wrestling in 1928. Belgium was one of 3 nations (along with Finland and France) to have a wrestler in each event. It was the nation's 5th appearance in the sport. Spapen won Belgium's only wrestling medal in 1928, a silver.