Edward Mostyn Lloyd-Mostyn, 2nd Baron Mostyn (13 January 1795 – 17 March 1884), was a British peer and Member of Parliament (MP). Mostyn was the son of Edward Lloyd, 1st Baron Mostyn. Born Edward Lloyd, assumed by Royal licence the additional surname of Mostyn in 1831. Lord Mostyn married Lady Harriet-Margaret Scott on 20 June 1827. Lady Mostyn was the eldest daughter of the Earl of Clonmel. Lord Mostyn died in March 1884, aged 89, and was succeeded in his titles by his grandson , his eldest son the Hon. Thomas Edward Lloyd-Mostyn having predeceased him.