Sir John Hall of Dunglass, 3rd Baronet (died 3 July 1776), was one of the Grand Jury for the trial of the Jacobite rising rebels at Edinburgh, 1748.
He was retoured heir of line and conquest on 4 January 1750, to his uncle, William Hall of Whitehall, near Chirnside, one of the Principal Clerks of the Court of Session. (National Archives, GD206/1/63).
Sir John married Magdalen (d. 1763), daughter of Sir Robert Pringle, 3rd Baronet, of Stitchill, and was succeeded by his son and heir Sir James Hall, 4th Baronet.