Alexander Abercromby of Glassaugh, Fordyce, Banffshire (5 November 1678 – 23 December 1728) was a Scottish Army officer and politician who sat in the Parliament of Scotland from 1706 to 1707 and as a Whig in the British House of Commons from 1707 to 1727.
In 1699 he inherited Tullibody House east of Stirling from his cousin George Abercromby.
He was ADC to the Duke of Marlborough in the Low Countries in 1711, and rose to the rank of lieutenant-colonel, retiring on half-pay in 1721.
He and his wife, Helen Meldrum, had two sons and four daughters, including Patrick Abercromby.
This article about a Member of the Parliament of Great Britain (1707–1800) representing a Scottish constituency is a stub.