| Stargate Atlantis | |
|---|---|
| Season 3 | |
 DVD cover | |
| No. of episodes | 20 |
| Release | |
| Original network | Sci Fi Channel |
| Original release | July 14, 2006 – February 5, 2007 |
| Season chronology | |
The third season of Stargate Atlantis, an American-Canadian television series, began airing on July 21, 2006 on the US-American Sci Fi Channel. The third season concluded after 20 episodes on February 5, 2007 on the Canadian The Movie Network. The series was developed by Brad Wright and Robert C. Cooper, who also served as executive producers. Season three regular cast members include Joe Flanigan, Torri Higginson, Rachel Luttrell, Jason Momoa, Paul McGillion, and David Hewlett as Dr. Rodney McKay.