The Dalrymple-Horn-Elphinstone baronetcy, of Horn and of Logie Elphinstone in the County of Aberdeen, is a dormant title in the Baronetage of the United Kingdom. It was created on 16 January 1828 for Robert Dalrymple-Horn-Elphinstone. He was the grandson of Hew Elphinstone, second son of Hew Dalrymple, Lord North Berwick, third son of James Dalrymple, 1st Viscount of Stair. The second Baronet sat as Member of Parliament for Portsmouth. The fifth Baronet assumed the surname of Elphinstone-Dalrymple. The title became either extinct or dormant on the death of the seventh Baronet in 1956.