Swimming at the 1955 Pan American Games – Women's 400 metre freestyle

The women's 400 metre freestyle competition of the swimming events at the 1955 Pan American Games took place on 25 March. The last Pan American Games champion was Ana María Schultz of Argentina.

This race consisted of eight lengths of the pool, with all eight being in the freestyle stroke.

Results
All times are in minutes and seconds.

Final
The final was held on March 25.