Argentina at the 1948 Summer Olympics in London, England was the nation's eighth appearance out of eleven editions of the Summer Olympic Games. Argentina sent to the 1948 Summer Olympics its fifth national team, under the auspices of the Argentine Olympic Committee () of 199 athletes (188 men and 11 women) who competed in 101 events in 16 sports. It would not be until the 2016 Summer Olympics that the athlete delegation were surpassed. The medals haul of 3 golds, 3 silvers, and a bronze tied the medals haul in 1928. The achievement of 7 medals in an edition of the Olympics has yet to be matched.
This was the first time Argentina sent a team to the Olympics, the team consisted of 14 players
Team Roster
Preliminary Round (Group C)
Individual times added together for team race, 3 times needed for team event.
<small>Ranks given are within the heat.</small>
19 fencers, 16 men and 3 women, represented Argentina in 1948. The results are the pool results and placings.
This was the first time Argentina had competed in this event at the Olympic Stage.
Men's tournament
Head coach:
<small>A point-for-place system was used, with the lowest total score winning.</small>
Argentina had 26 male rowers participate in all seven rowing events in 1948.
<small>Ranks given are within the heat.</small>
Twelve shooters represented Argentina in 1948.
This was the 5th time Argentina had sent a team of swimmers to the Olympics, the team of 17 consisted of 11 men and 6 women.
<small>Ranks given are within the heat.</small>
Head coach:
Group F
Group J