Sir Robert Abercromby, 5th Baronet

Sir Robert Abercromby, 5th Baronet of Birkenbog and Forglen, FRSE, DL (4 February 1784 – 6 July 1855) was a Scottish politician and landowner.

During the first quarter of the 19th century, Abercromby purchased most of the town and lands of Fermoy in Ireland from fellow Scotsman John Anderson.

His grandson, Sir Robert John Abercromby, 7th Baronet is recorded as the owner of 434 acres of land in County Cork during the 1870s.

In 1839, a daughter, Georgina Charlotte, died aged only 16 (she is buried in St Johns churchyard in Edinburgh).

In 1852, a daughter, Roberta Henrietta Abercromby, married Sir Edwin Hare Dashwood, 7th Baronet.