| The Train | |
| Cover: | OutkastTheTrain.png |
| Type: | single |
| Artist: | OutKast featuring Scar and Sleepy Brown |
| Album: | Idlewild |
| Released: | December 19, 2006 (U.S.) |
| Genre: | Hip hop |
| Length: | 4:26 |
| Label: | Sony BMG, Zomba, LaFace |
| Producer: | Big Boi |
| Chronology: | OutKast |
| Prev Title: | Hollywood Divorce |
| Prev Year: | 2006 |
| Next Title: | International Players Anthem (I Choose You) |
| Next Year: | 2007 |
"The Train" is the fifth and final single to be released from OutKast's sixth studio album, Idlewild. The song features Scar and Sleepy Brown on guest vocals. The single was released in December 2006, and was the last official single to be released by Outkast.