The men's 100m freestyle S13 event at the 2012 Summer Paralympics took place at the London Aquatics Centre on 2 September. There were two heats; the swimmers with the eight fastest times advanced to the final.
Competed from 10:41.
Competed at 18:34.
Q = qualified for final. WR = World Record. PR = Paralympic Record. AM = Americas Record. AF = African Record.
Official London 2012 Paralympics Results: Heats Archived 2012-09-14 at the Wayback Machine Official London 2012 Paralympics Results: Final Archived 2012-09-14 at the Wayback Machine