John Bent (c. 1775 – 6 October 1848), of Weaton House, Devon and Oathall, Lindfield, Sussex was an English Tory politician. He was a Member (MP) for Sligo Borough from 1818 to 1820, and for Totnes from 1820 to 1826. Alongside significant investments in property, Bent was also involved in the slave trade. He was heavily involved in the scandal of the Arigna Iron and Coal Mining Company towards the end of his parliamentary career.