Thomas Nowell Twopeny or Twopenny (6 February 1819 – 3 November 1869) was a priest of the Church of England who was Archdeacon of Flinders in Australia. He was the eldest son of Thomas Nowell Twopenny of East Knoyle, Wiltshire. He was educated at Uppingham School and Oriel College, Oxford and was ordained in 1844. He was Rector of Little Casterton, Rutland, from 1844 (succeeding his grandfather Rev. Richard Twopeny, rector 1781–1843), then in 1859 of South Weston, Oxfordshire, before going out to Australia with the Melrose mission in ca 1860.