John Child Hannyngton (23 September 1835, Barrackpore – March 1895, Lewisham) was a judge in the East India Company who served for many years as Resident of Travancore. Born to Major General John Caulfield Hannyngton (1807–1885) and Harriet, he joined service in the East India Company in 1857 as a writer. In 1859 he went on leave to Bengal for 6 months while posted as Collector and Magistrate at Trichinipoly. He was posted in Malabar in 1861 and made a magistrate in the next year. In 1863 he was a special assistant to the Collector. In 1866 he was an acting judge of small cause court at Tellicherry and in 1867 sub-collector at Bellary as well as acting collector of Malabar. He married Laura Elizabeth née Onslow on 24 March 1866. In 1869 he went to Europe on furlough for two years. In 1871