Brazil at the 1948 Summer Olympics
Brazil competed at the 1948 Summer Olympics in London, United Kingdom. 70 competitors, 59 men and 11 women, took part in 41 events in 11 sports. A Brazilian medal was won for the first time since the country's debut at the 1920 Summer Olympics, with a bronze by the basketball team.
Medalists
| Medal | Name | Sport | Event | Date |
| Brazil national men's basketball team | Basketball | Men's tournament |
Athletics
;Men;Track & road events
;Field events
;Women
;Track & road events
;Field events
Basketball
Preliminary round
Group A
Quarterfinals
Semifinals
Bronze medal match
Boxing
;MenDiving
;MenEquestrian
Eventing
Show jumping
Fencing
Seven fencers, all men, represented Brazil in 1948.; Men
Ranks given are within the pool.
Modern pentathlon
Three male pentathletes represented Brazil in 1948.;Men
| Athlete | Event | Riding | Fencing | Shooting | Swimming | Running | Total points | Final rank |
| Athlete | Event | Points | Points | Points | Points | Points | Total points | Final rank |
| Humberto Bedford | Men's | 37 | 43 | 40 | 43 | 42 | 205 | 43 |
| Aloysio Borges | Men's | 33 | 26 | 36 | 8 | 43 | 146 | 38 |
| Aëcio Coelho | Men's | 15 | 1 | 33 | 39 | 37 | 125 | 30 |
Rowing
Brazil had two male rowers participate in one out of seven rowing events in 1948.;Men
Sailing
;OpenShooting
Seven shooters represented Brazil in 1948.;Men
Swimming
;Men;Women