Abel Smith (17 July 1788 – 23 February 1859) was a longtime British Member of Parliament. He was the eighth child but eldest son of Samuel Smith, also a Member of Parliament, and Elizabeth Frances (née Turnor). He was nephew of Robert Smith, 1st Baron Carrington. The family had grown wealthy through banking in Nottingham. Three years after the Reform Act, he was elected for Hertfordshire, and served another twelve years as its MP. He was High Sheriff of Hertfordshire in 1849.