Swimming at the 2007 Pan American Games – Men's 100 metre freestyle

The Men's 100m Freestyle event at the 2007 Pan American Games occurred at the Maria Lenk Aquatic Park in Rio de Janeiro, Brazil on July 16 (evening; prelims), July 17 (morning; semifinals) and July 18 (evening; finals). A total of 20 swimmer were entered in the event.

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