Ralph Sneyd (1564 – 7 April 1643) was an English landowner and politician who sat in the House of Commons from 1640 to 1642.
He was a colonel in the Royalist army in the English Civil War and was killed in action on the Isle of Man.
He was re-elected MP for Stafford in November 1640 for the Long Parliament and sat until he was disabled in 1642.
Keele Hall was badly damaged in the Civil War and Sneyd suffered losses of up to £20,000 because of his loyalty to the king.
He was killed by the last shot fired in defence of the Countess of Derby on the Isle of Man.