Darell Trelawny or Trelawney (c. 1695–1727), of Coldrenick, near Liskeard, Cornwall, was a British politician who sat in the House of Commons briefly in 1727. Trelawny was the eldest son of Edward Trelawney of Coldrenick, Dean of Exeter, and his wife Elizabeth Darell, daughter of Thomas Darell of Chawcroft, Hampshire. He was a descendant of Sir Jonathan Trelawny, MP of Trelawne (died 1604). He matriculated at Christ Church, Oxford on 26 March 1713, aged 17.