Portugal competed at the 1948 Summer Olympics in London, England. A delegation of forty eight competitors participated in eight sports, with an equestrian and sailing teams winning both a bronze and Portugal's first Olympic silver medal, respectively. This was also the first Olympics where this nation won more than one medal.
Men's 100m:
Men's 200m:
Men's Long Jump:
Men's Triple Jump:
Men's Individual Dressage:
Men's Team Dressage:
Men's Individual Eventing:
Men's Individual Jumping:
Men's Team Jumping:
Six fencers, all men, represented Portugal in 1948.
Portugal had 14 male rowers participate in two out of seven rowing events in 1948.
Five shooters represented Portugal in 1948.
<small>Rank given is within the heat.</small>