The men's 50-metre freestyle event at the 1992 Summer Olympics took place on 30 July at the Piscines Bernat Picornell in Barcelona, Spain.
Prior to this competition, the existing world and Olympic records were as follows.
The following records were established during the competition:
The competition consisted of two rounds: heats and finals. The swimmers with the best 8 times in the heats advanced to final A, where they competed for the top 8 places. The swimmers with the next 8 times in the heats swam in final B, for ninth through the sixteenth place. Swim-offs were used as necessary to determine advancement.
Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q).