John Finlayson (c. 1730–1776) was an English engraver.

Finlayson was born about the year 1730, and worked in London. In 1773 he received a premium from the Society of Arts, and about three years after this he died. He engraved in mezzotint several portraits, and a few plates of historical subjects.

Selected Portraits The Duchess of Gloucester; after Sir Joshua Reynolds. Lady Charles Spenoer; after the same. Lady Elizabeth Melbourne; after the same. The Earl of Buchan; after the same. Miss Wynyard; after the same. Lady Broughton; after Cotes. The Duke of Northumberland; after Hamilton. Miss Metcalfe; after Hone.

Signora Zamperini, in 'La Buona Figliuola' ; after the same. William Drummond, Scotch historian; after C. Janssens. Shooter, Beard, and Dunstall, in 'Love in a Village' ; after Zoffany.

Subjects Candaules, King of Lydia, showing his Queen coming out of the Bath to his favourite Gyges; after his own design. A. Collier, with his Pipe; after J. Weenix.

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