Swimming at the 1992 Summer Olympics – Men's 400 metre freestyle

The men's 400 metre freestyle event at the 1992 Summer Olympics took place on 29 July at the Piscines Bernat Picornell in Barcelona, Spain.

Records
Prior to this competition, the existing world and Olympic records were as follows.

The following records were established during the competition:

Heats
Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q).