The Rt Rev. Piers Calveley Claughton, DD (8 June 1814 – 11 August 1884) was an Anglican colonialbishop and author in the second half of the nineteenth century.
The son of Thomas Claughton (M.P. for Newton, Lancashire, 1818 – 25) of Haydock Lodge, he was educated at Brasenose College, Oxford, where he graduated, B.A. (1835) and M.A. (1838). He was elected a Fellow of University College, Oxford in 1836.
Following his ordination in 1838 he was made rector of Elton, Huntingdonshire (1842 – 43; 1845 – 59), before becoming the first Bishop of St Helena (1859 – 61) and a subsequent translation to the see of Colombo (1862 – 71). Upon his return to England he served as Archdeacon of London and a canon of St Paul's from 1870 to 1884 and was appointed Chaplain-General of Her Majesty's Forces in 1875.