| Demonstration sport | |
|---|---|
 | |
| Tournament details | |
| Country | United States |
| City | Los Angeles, California |
| Dates | July 31 – August 7, 1984 |
| Teams | 8 |
| Final positions | |
| Champions |  Japan |
| Runner-up |  United States |
| Third place |  Chinese Taipei |
| Fourth place |  South Korea |
| Tournament statistics | |
| Games played | 16 |
Baseball at the 1984 Summer Olympics was a demonstration sport. It would become an official sport 8 years later at the 1992 Summer Olympics. Although single exhibition games had been played in conjunction with five previous Olympics, it was the first time that the sport was officially included in the program, and also the first time that the sport was played in Olympics held in the United States. Eight teams competed in Los Angeles, California, in the tournament. Games were held at Dodger Stadium. Cuba originally qualified but withdrew as a result of the Soviet-led boycott.