| The Dark Horse | |
| Type: | studio |
| Artist: | Achilles |
| Cover: | Achilles - The Dark Horse.jpg |
| Released: | May 24, 2005 |
| Recorded: | Headbanging Kill Your Mama Music in Louisville, Kentucky |
| Genre: | Hardcore, experimental rock, metalcore |
| Length: | 27:15 |
| Label: | Hex Records |
| Producer: | Evan Patterson |
| Prev Title: | Achilles/Engineer |
| Prev Year: | 2005 |
| Next Title: | Achilles/Seven Bowls of Wrath |
| Next Year: | 2006 |
The Dark Horse, released on May 24, 2005 through Hex Records, is the debut full-length studio album and third release from the Rochester-based hardcore band Achilles. It is the follow-up to the split album Achilles/Engineer and received mostly favourable reviews.