The Right Honourable Alexander Maconochie, Lord Meadowbank of Garvock and Pitliver FRSE, FSA Scot (2 March 1777–30 November 1861), was a Scottish advocate, judge, landowner and politician.

He was Member of Parliament for Yarmouth, Isle of Wight, England, from 1817–1818, and for the Kilrenny district of Anstruther Burghs from 1818 to 1819.

He made his Parliamentary debut during a period of considerable unrest in both Scotland and England in 1817, choosing to mark it by announcing the existence of a seditious conspiracy of weavers in the suburbs of Glasgow.

The ensuing prosecutions were spectacularly unsuccessful, however, and caused considerable embarrassment, both to the government and to Maconochie himself, who, as Lord Advocate, was directly responsible.

[1] In February 1827 he co-founded the Edinburgh Theatrical Fund with Sir Walter Scott and served as its first President.