Sir Dudley Cullum, 3rd Baronet (17 September 1657 – 16 September 1720) was an English Member of Parliament and horticultural author.

Dudley Cullum was the son of Sir Thomas Cullum, Bart., of Badmondesfield, Wickhambrook

Wickhambrook

Wickhambrook is a village and civil parish in the St Edmundsbury district of Suffolk in eastern England.Located around ten miles south-west of Bury St Edmunds, halfway to Haverhill off the A143.The village was recorded in Domesday as "Wicham"....

, Suffolk

Suffolk

Suffolk is a non-metropolitan county of historic origin in East Anglia, England. It has borders with Norfolk to the north, Cambridgeshire to the west and Essex to the south. The North Sea lies to the east...

. He was educated in Bury St Edmunds and at St John's College, Cambridge

St John's College, Cambridge

St John's College is a constituent college of the University of Cambridge. The college's alumni include nine Nobel Prize winners, six Prime Ministers, three archbishops, at least two princes, and three Saints....

. He succeeded as third Baronet

Cullum Baronets

The Cullum Baronetcy, of Hastede in Suffolk, was created in the Baronetage of England on 18 June 1660 for Thomas Cullum. It became extinct on the death of the eighth Baronet, 26 January 1855...

 (of Hastede in Suffolk) on 16 October 1680. He was appointed 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...

 for 1690 and from 1702 to 1705 was Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Suffolk

Suffolk (UK Parliament constituency)

Suffolk was a county constituency of the Parliament of the United Kingdom, which returned two Members of Parliament to the House of Commons from 1290 until 1832, when it was split into two divisions.-Boundaries and franchise:...

.