Thomas Thynne may refer to:

Thomas Thynne (died 1625), English MP for Heytesbury, 1593 Thomas Thynne (died 1639) (c. 1578–1639), English landowner and member of parliament Thomas Thynne (died 1669) (1610–1669), English member of parliament, son of above Thomas Thynne (died 1682) (1647/8–1682), English landowner and member of parliament, son of above Thomas Thynne, 1st Viscount Weymouth (1640–1714), English peer Thomas Thynne, 2nd Viscount Weymouth (1710–1751), English peer Thomas Thynne, 1st Marquess of Bath (1734–1796), English peer Thomas Thynne, 2nd Marquess of Bath (1765–1837), English peer Thomas Thynne, 5th Marquess of Bath (1862–1946), English peer Thomas Thynne, Viscount Weymouth (1796–1837), English nobleman and member of parliament