Swimming at the 1987 Pan American Games – Men's 4 × 100 metre medley relay

The men's 4 × 100 metre medley relay competition of the swimming events at the 1987 Pan American Games took place on 15 August at the Indiana University Natatorium. The last Pan American Games champion was the United States.

Results
All times are in minutes and seconds.

Final
The final was held on August 15.