Archibald FitzRoy George Hay, 13th Earl of Kinnoull (20 June 1855 – 7 February 1916), styled Viscount Dupplin from 1886 until 1897, was a Scottish peer and soldier.

The Times noted that the musical earl was "of considerable talent—singing, playing, and composing—and on the occasion of his second marriage composed a hymn to be sung as the bride entered the church.

[3] Vivian left the Jacobite League in August 1893,[4] He was also a collector; his china and furniture from Dupplin Castle fetched "good prices" when sold at auction at Christie's in May 1911.

[5] After the death of his first wife, Lord Kinnoull re-married at St Paul's Church, Knightsbridge on 24 January 1903 Florence Mary (Molly) Darell.

As his only son to survive infancy, Edmund, died of scarlet fever in 1903, predeceasing him,[10] the earldom passed to his grandson, George.