1918 Kentucky Derby
| Kentucky Derby | |
| Grade I stakes race | |
| Location | Churchill Downs |
|---|---|
| Date | May 11, 1918 |
| Winning horse | Exterminator |
| Jockey | Willie Knapp |
| Trainer | Henry McDaniel |
| Owner | Willis Sharpe Kilmer |
| Surface | Dirt |
The 1918 Kentucky Derby was the 44th running of the Kentucky Derby. The race took place May 11, 1918. Exterminator went off at odds of 30–1 to the heavily favored War Cloud. Exterminator raced at the back until the field turned for home, when he launched his bid. Nearing the wire, he passed Escoba and won the Derby by a length.