John Bonham-Carter DL JP (13 October 1817 – 26 November 1884) was an English Liberal politician.

[1] Among his siblings was the artist Hilary Bonham Carter, a friend of political journalist Harriet Martineau, and Elinor Mary Bonham Carter, the wife of prominent jurist Albert Venn Dicey.

His maternal grandfather was abolitionist William Smith and through his aunt Frances, he was a first cousin of Florence Nightingale.

He was briefly a Lord of the Treasury in 1866, and during his last two years in Parliament, he was Chairman of Ways and Means.

Her eldest sister, Marianne, married engineer Douglas Strutt Galton, her brother was Lieutenant-General Sir Lothian Nicholson and her grandfather was the prominent merchant Samuel Nicholson.