Lt.-Gen. Henry Herbert, 9th Earl of Pembroke, 6th Earl of Montgomery was an English peer and courtier. He was the heir and eldest son of Thomas Herbert, 8th Earl of Pembroke and his first wife Margaret Sawyer. He was styled Lord Herbert from birth until he inherited his father's earldoms of Pembroke and Montgomery in 1733. He also became Lord of the bedchamber to King George II of the House of Hanover.

Thomas Herbert, 8th Earl of Pembroke and 5th Earl of Montgomery,, styled The Honourable Thomas Herbert until 1683, was an English and later British statesman during the reigns of William III and Anne.