Spilletta (1749 – 1776) was a British Thoroughbred racehorse. She only raced once and is best known for being the dam of the undefeated Eclipse.
Spilletta was a bay filly bred by the Sir Robert Eden and foaled in 1749. She was sired by the undefeated Regulus. Regulus was also a very successful stallion, becoming Champion sire eight times. Regulus also sired Careless and Cato. Spilletta's dam was Mother Western, a daughter of Smith's son of Snake.
Spilletta only started one race, in April 1754 at Newmarket for a ã50 Plate. She lost the race to Sir Charles Sedley's Royal, the Marquess of Hartington's Tantivy and Mr. Curzon's Jason.
Spilletta was a broodmare at the Duke of Cumberland stud. She produced five foals:
Spilletta died in 1776.
<span style="font-size:85%">Note: b. = Bay, br. = Brown</span>
<nowiki>*</nowiki> Spilletta is inbred 4S ÃÂ 3D to the stallion Snake, meaning that he appears fourth generation on the sire side of his pedigree and third generation on the dam side of his pedigree.