Charles Cavendish, Viscount Mansfield

Charles Cavendish, Viscount Mansfield (c. 1626–1659) was an English politician who sat in the House of Commons from 1640 to 1644. He supported the Royalist cause in the English Civil War.

Viscount Mansfield was the son of William Cavendish, 1st Duke of Newcastle-upon-Tyne and his wife Elizabeth Basset of Blore.

In November 1640, Viscount Mansfield was elected Member of Parliament for East Retford in the Long Parliament. He was disabled from sitting in 1644. He went into exile with his father, and returned to England in 1659.

Viscount Mansfield died at the age of 32.

Viscount Mansfield married Elizabeth Rogers, daughter of Richard Rogers and Anne Cheek.