The men's 1500 metre freestyle competition of the swimming events at the 1971 Pan American Games took place on 10 August.

[1][2] The last Pan American Games champion was Mike Burton of US.

[3][4][5][6][7][8] This race consisted of thirty lengths of the pool, all lengths being in freestyle.

[9] All times are in minutes and seconds.

The final was held on August 10.