The Hon Allan Maconochie, Lord Meadowbank FRSE FSA (Scot) (1748–1816) was a Scottish advocate, academic jurist, judge and agriculturalist.

The only son of Alexander Maconochie of Meadowbank, Kirknewton, Midlothian, and his wife Isabella Allan, daughter of the Rev.

[1] In 1764, Maconochie, with William Creech, John Bruce, Henry Mackenzie, and two other fellow-students, founded the Speculative Society, devoted to public speaking and liberal thought.

He passed advocate on 8 December 1770 and was admitted as a student of Lincoln's Inn (16 April 1771), but was not called to the English bar.

His predilection for Latin quotation was caricatured in the ‘Diamond Beetle Case,’ attributed to George Cranstoun, Lord Corehouse.

His ‘Essay on the Origin and Structure of the European Legislatures’ appeared in two parts in the first volume (1788) of the Transactions of the Royal Society of Edinburgh, of which he was a vice-president.

[1] He married, on 11 November 1774, Elizabeth, third daughter of Robert Welwood of Garvock and Pitliver, Fife, the granddaughter of Sir George Preston, bart., of Valleyfield.