Iran at the 1948 Summer Olympics
Iran competed at the Summer Olympic Games for the first time at the 1948 Summer Olympics in London, England. 36 competitors, all men, took part in 23 events in 5 sports. The country's sole medal was a weightlifting bronze won in the featherweight division by Jafar Salmasi.
Competitors
| Sport | Men | Women | Total |
| Basketball | 13 | 13 | |
| Boxing | 8 | 8 | |
| Shooting | 3 | 3 | |
| Weightlifting | 5 | 5 | |
| Wrestling | 7 | 7 | |
| Total | 36 | 0 | 36 |
Results by event
Basketball
;MenBoxing
;MenShooting
;Open| Athlete | Event | Score | Rank |
| Farhang Khosropanah | 50 m rifle prone | 545 | 69 |
| Farhang Khosropanah | 300 m rifle 3 positions | 472 | 36 |
| Samad Mollazal | 50 m rifle prone | 511 | 71 |
| Samad Mollazal | 300 m rifle 3 positions | 660 | 34 |
| Mahmoud Sakhaei | 50 m rifle prone | 552 | 67 |
| Mahmoud Sakhaei | 300 m rifle 3 positions | 587 | 35 |
Weightlifting
;Men| Athlete | Event | Press | Snatch | Clean & Jerk | Total | Rank |
| Mahmoud Namjoo | 56 kg | 82.5 | 82.5 | 122.5 OR | 287.5 | 5 |
| Jafar Salmasi | 60 kg | 100.0 OR | 97.5 | 115.0 | 312.5 | |
| Asadollah Mahini | 67.5 kg | 85.0 | 92.5 | 117.5 | 295.0 | 19 |
| Nasser Mirghavami | 75 kg | 102.5 | 95.0 | 130.0 | 327.5 | 13 |
| Rasoul Raeisi | 82.5 kg | 110.0 | 110.0 | 135.0 | 355.0 | 8 |