Sir David Cuninghame, 3rd Baronet

Sir David Cuninghame, 3rd Baronet ( – 4 July 1770) was a Scottish landowner and aristocrat.

Early life Cuninghame was born in Scotland in . He was the only son and heir of Sir Alexander Cuninghame, 2nd Baronet (died 1730) and the former Margaret Boyle. His sister, Jean Cuninghame, married William Newall (a son of Adam Newall). His father was only a minor when his father, the 1st Baronet, died, and "was, ill-advisedly, served heir general to his father" and "heir special in the Barony of Robertland. By this service not only his estate but what of his wife was given up to his father's creditors, and he had to subsist 'by the effects of his industry.'" and Mary Stewart (sister of Sir Archibald Stewart, 1st Baronet, of Blackhall). Through his paternal line, he was separately a descendant of the 4th Earl of Glencairn through the Earl's second son, Hon. Andrew Cunningham, and the 7th Earl of Glencairn, through the Earl's daughter, Lady Mary Cuninghame. Penelope was the niece and heiress of Sir Walter Montgomery, Baronet, of Kirktonholm (descended from the Montgomeries of Skelmorly). David Cuninghame, who died in Jamaica.

Sir David died at Corsehill in July 1770. As his eldest son predeceased him by about six months, he was succeeded in his title by grandson, Walter Montgomery-Cuninghame.