The Castleton Baronetcy, of St Edmundsbury in the County of Suffolk, was a title in the Baronetage of England. It was created on 9 August 1641 for William Castleton, High Sheriff of Suffolk

High Sheriff of Suffolk

This is a list of High Sheriffs of Suffolk. The High Sheriff is the oldest secular office under the Crown and is appointed annually by the Crown. He was originally the principal law enforcement officer in the county and presided at the Assizes and other important county meetings...

 from 1641 to 1642. The second Baronet was High Sheriff of Suffolk from 1660 to 1661. The sixth Baronet was Rector of Gillingham, Norfolk

Gillingham, Norfolk

Gillingham is a small village located just off the A146 in South Norfolk, about 1 mile north of the market town of Beccles. The full name of the parish is Gillingham All Saints and St Mary...

. The eleventh Baronet was Rector of Thornham, Norfolk

Thornham, Norfolk

Thornham is a village and civil parish in the English county of Norfolk. It is situated on the north Norfolk coast some north-east of the seaside resort of Hunstanton, north of the town of King's Lynn and north-west of the city of Norwich....

. The title became extinct on the death of the twelfth Baronet in 1810.

Castleton Baronets, of St Edmundsbury (1641)

• Sir William Castleton, 1st Baronet (c. 1590–c. 1643)
• Sir John Castleton, 2nd Baronet (d. 1677)
• Sir John Castleton, 3rd Baronet (1644–1705)
• Sir Robert Castleton, 4th Baronet (1659–c. 1710)
• Sir Philip Castleton, 5th Baronet (1663–1724)
• Sir Charles Castleton, 6th Baronet (1659–1745)
• Sir Charles Castleton, 7th Baronet (d. 1749)
• Sir John Castleton, 8th Baronet (c. 1698–1777)
• Sir William Castleton, 9th Baronet (c. 1701–1788)
• Sir John Castleton, 10th Baronet (d. 1788)
• Sir Edward Castleton, 11th Baronet (c. 1706–1794)
• Sir Edward Castleton, 12th Baronet (c. 1752–1810)