| Spilletta | |
|---|---|
| Sire | Regulus |
| Grandsire | Godolphin Arabian |
| Dam | Mother Western |
| Damsire | Smith's Son of Snake |
| Sex | Mare |
| Foaled | 1749 |
| Country | Great Britain |
| Colour | Bay |
| Breeder | Sir Robert Eden |
| Record | 1 start, 0 wins |
Spilletta (1749 – 1776) was a British Thoroughbred racehorse. She only raced once and is best known for being the dam of the undefeated Eclipse.