William Somerset, 3rd Earl of Worcester (c. 1526/1527 – 21 February 1589) was an English courtier, nobleman, and politician. He was the eldest son of Henry Somerset, 2nd Earl of Worcester and his second wife Elizabeth Browne.
Earl of Worcester
thumb|243px|Quartered arms of Sir William Somerset, 3rd Earl of Worcester|leftOn 26 November 1549, he succeeded his father and became the 3rd Earl of Worcester.
Worcester supported Lady Jane Grey in 1553. He was invested as Knight Companion of the Order of the Garter (KG) in 1570. He was a patron of the arts, and sponsored - among others - the Elizabethan actor Edward Alleyn.
In January 1573, he was sent to France to the baptism of Marie Elisabeth of France. His ship was attacked by pirates, who captured a second boat carrying several of his attendants.
Marriages and children
Before 19 May 1550, Worcester married Christiana North, daughter of Edward North, 1st Baron North and his wife Alice Squire. They were parents to three children:
- Edward Somerset, 4th Earl of Worcester (d. 3 March 1628).
- Elizabeth Somerset. Married William Windsor. He was a namesake son of William Windsor, 2nd Baron Windsor by his wife Margaret Sambourne.
- Lucy Somerset. Married Henry Herbert, Esquire.