Sir James Tylney-Long, 7th Baronet (1736 – 28 November 1794) was an English politician who sat in the House of Commons for 32 years from 1762 to 1794.
The eldest son of Sir Robert Long, 6th Baronet and his wife Emma Child, he succeeded his father as the 7th Baronet on 10 February 1767, and inherited the family estates, including the manors of Draycot (Wiltshire) and Athelhampton (Dorset).