Henry Sackville, 4th Earl of Dorset (1590–1652), was an English nobleman and politician. He was born into the prominent Sackville family, known for their influence in the English court. Henry succeeded his father, the 3rd Earl of Dorset, in 1624 and became a member of the House of Lords. He was involved in various political matters during a tumultuous period in England's history. Throughout his life, Henry Sackville held several important positions, including serving as a Lord Lieutenant of Kent. He was also known for his patronage of the arts and his connections to notable figures of the time, such as Ben Jonson and John Milton. His legacy includes contributions to both politics and culture in 17th-century England.