Swimming at the 2023 Pan American Games – Men's 200 metre freestyle

The men's 400 metre freestyle competition of the swimming events at the 2023 Pan American Games were held on October 22, 2023, at the Aquatic Center in Santiago, Chile.

Records
Prior to this competition, the existing world and Pan American Games records were as follows:

Heats
The first round was held on October 22.

Final B
The B final was also held on October 22.

Final A
The A final was also held on October 22.