Gustavus Hamilton, 2nd Viscount Boyne PC (Ire) (1710–1746) was an Irish politician and an enthusiastic admirer of Italy and the Carnival of Venice.

His paternal family was a Protestant cadet branch of the Catholic Earls of Abercorns, who in turn descended from the Scottish Clan Hamilton.

[4] On 20  August 1717 his grandfather was advanced to Viscount Boyne and young Gustavus was styled Baron Hamilton of Stackallan as courtesy title.

In 1734, Boyne was a founder-member of the Society of Dilettanti, a group of Englishmen who had made their Grand Tour and met to discuss, and to exert their influence on, matters of taste in London.

Other members of the Society included his "particular friend, the notorious rake" Francis Dashwood, 11th Baron le Despencer.