[[File:1984 Summer Olympic medal map.svg|thumb|right|300px|alt=alt=Map displaying countries that won medals during 1984 Summer Olympics.|World map showing the medal achievements of each country during the 1984 Summer Olympics.<br /> Legend:<br />

represents countries that won at least one gold medal.<br />

represents countries that won at least one silver medal but no gold medals.<br />

represents countries that won at least one bronze medal (no gold or silver).<br />

represents participating countries that did not win medals.<br />

represents entities that did not participate in the 1984 Summer Olympics.]]

The 1984 Summer Olympics, officially known as the Games of the XXIII Olympiad, were a summer multi-sport event held in Los Angeles, California, United States, from July 28 to August 12. A total of 6,829 athletes from 140 nations participated in 221 events in 21 sports.

Overall, 47 nations received at least one medal, and 25 of them won at least one gold medal. Athletes from host nation United States won the most medals overall, with 174, and the most gold medals, with 83. The former record was the largest overall medal haul for the nation since the 1904 edition; the latter record was the highest gold medal tally at a single Games in Olympic history and the most for a host nation.