The Men's 200m Freestyle event at the 2003 Pan American Games took place on August 11, 2003 (Day 11 of the Games).
| 1:44.06 | 2001-07-25 | ||||
| 1:48.49 | 1995-03-12 |  Mar del Plata, Argentina |
| Place | Swimmer | Heats | Final | ||
|---|---|---|---|---|---|
| Time | Rank | Time | |||
| 1 | 1:51.00 | 2 | 1:48.90 NR | ||
| 2 | 1:51.09 | 3 | 1:49.34 | ||
| 3 | 1:50.68 | 1 | 1:49.55 | ||
| 4 | 1:51.95 | 4 | 1:50.76 | ||
| 5 | 1:52.10 | 5 | 1:51.39 | ||
| 6 | 1:52.93 | 7 | 1:52.47 | ||
| 7 | 1:52.97 | 8 | 1:52.60 | ||
| 8 | 1:52.54 | 6 | 1:53.35 | ||
| 9 | 1:53.19 | 9 | 1:53.22 | ||
| 10 | 1:55.50 | 13 | 1:54.19 | ||
| 11 | 1:55.65 | 16 | 1:54.25 | ||
| 12 | 1:53.81 | 10 | 1:54.27 | ||
| 13 | 1:55.34 | 11 | 1:54.96 | ||
| 14 | 1:55.54 | 14 | 1:55.30 | ||
| 15 | 1:55.60 | 15 | 1:56.05 | ||
| 16 | 1:56.62 | 18 | 1:56.95 | ||
| 17 | 12 | ||||
| 18 | 1:56.41 | 18 | |||
| 19 | 1:56.74 | 19 | |||
| 20 | 1:57.77 | 20 | |||
| 21 | 1:58.07 | 21 | |||
| 22 | 1:58.35 | 22 | |||
| 23 | 1:58.84 | 23 | |||
| 24 | 1:58.87 | 24 | |||
| 25 | 1:59.41 | 25 | |||
| 26 | 1:59.49 | 26 | |||