The Cabinet Minister is an 1839 novel by the British writer Catherine Gore, originally published in three volumes.

It follows events in the Whig movement from the Regency Crisis of 1810 through the Great Reform Act in 1832 to the present in the early years of Queen Victoria's reign.

A staunch Tory she is upset when at university at Christ Church, Oxford the two men are won over to the Whig party and the cause of reform.

Frank pursues a political career, but having become entangled with a fashionable Tory woman he briefly deserts the Whig movement.

His sister, meanwhile, turns down an offer of marriage from the wealthy but arrogant Tory politician Lord Warkworthy and eventually marries her cousin Sir Henry.